3495481993 has 4 divisors (see below), whose sum is σ = 3495930880. Its totient is φ = 3495033108.

The previous prime is 3495481987. The next prime is 3495481999. The reversal of 3495481993 is 3991845943.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3991845943 = 4283 ⋅932021.

It is an interprime number because it is at equal distance from previous prime (3495481987) and next prime (3495481999).

It is a cyclic number.

It is not a de Polignac number, because 3495481993 - 2¹⁷ = 3495350921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3495481999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212553 + ... + 228406.

It is an arithmetic number, because the mean of its divisors is an integer number (873982720).

Almost surely, 2^3495481993 is an apocalyptic number.

It is an amenable number.

3495481993 is a deficient number, since it is larger than the sum of its proper divisors (448887).

3495481993 is an equidigital number, since it uses as much as digits as its factorization.

3495481993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448886.

The product of its digits is 4199040, while the sum is 55.

The square root of 3495481993 is about 59122.6013720641. The cubic root of 3495481993 is about 1517.6409031898.

It can be divided in two parts, 349548 and 1993, that added together give a triangular number (351541 = T₈₃₈).

The spelling of 3495481993 in words is "three billion, four hundred ninety-five million, four hundred eighty-one thousand, nine hundred ninety-three".