3459681947 has 4 divisors (see below), whose sum is σ = 3460170120. Its totient is φ = 3459193776.

The previous prime is 3459681893. The next prime is 3459681949. The reversal of 3459681947 is 7491869543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7491869543 = 8941 ⋅837923.

It is a cyclic number.

It is not a de Polignac number, because 3459681947 - 2¹⁰ = 3459680923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3459681892 and 3459681901.

It is not an unprimeable number, because it can be changed into a prime (3459681949) 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, 233297 + ... + 247682.

It is an arithmetic number, because the mean of its divisors is an integer number (865042530).

Almost surely, 2^3459681947 is an apocalyptic number.

3459681947 is a deficient number, since it is larger than the sum of its proper divisors (488173).

3459681947 is an equidigital number, since it uses as much as digits as its factorization.

3459681947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488172.

The product of its digits is 6531840, while the sum is 56.

The square root of 3459681947 is about 58819.0610856719. The cubic root of 3459681947 is about 1512.4419862729.

The spelling of 3459681947 in words is "three billion, four hundred fifty-nine million, six hundred eighty-one thousand, nine hundred forty-seven".