3493561501 has 4 divisors (see below), whose sum is σ = 3494352604. Its totient is φ = 3492770400.

The previous prime is 3493561499. The next prime is 3493561543. The reversal of 3493561501 is 1051653943.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1670356900 + 1823204601 = 40870^2 + 42699^2 .

It is a cyclic number.

It is not a de Polignac number, because 3493561501 - 2¹ = 3493561499 is a prime.

It is a super-2 number, since 2×3493561501² = 24409943922538746002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493561801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388890 + ... + 397771.

It is an arithmetic number, because the mean of its divisors is an integer number (873588151).

Almost surely, 2^3493561501 is an apocalyptic number.

It is an amenable number.

3493561501 is a deficient number, since it is larger than the sum of its proper divisors (791103).

3493561501 is an equidigital number, since it uses as much as digits as its factorization.

3493561501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791102.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 3493561501 is about 59106.3575345326. The cubic root of 3493561501 is about 1517.3629108970.

The spelling of 3493561501 in words is "three billion, four hundred ninety-three million, five hundred sixty-one thousand, five hundred one".