3492439475891 has 2 divisors, whose sum is σ = 3492439475892. Its totient is φ = 3492439475890.

The previous prime is 3492439475881. The next prime is 3492439475983. The reversal of 3492439475891 is 1985749342943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3492439475891 - 2³⁰ = 3491365734067 is a prime.

It is not a weakly prime, because it can be changed into another prime (3492439475881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1746219737945 + 1746219737946.

It is an arithmetic number, because the mean of its divisors is an integer number (1746219737946).

Almost surely, 2^{3492439475891} is an apocalyptic number.

3492439475891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3492439475891 is an equidigital number, since it uses as much as digits as its factorization.

3492439475891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235146240, while the sum is 68.

The spelling of 3492439475891 in words is "three trillion, four hundred ninety-two billion, four hundred thirty-nine million, four hundred seventy-five thousand, eight hundred ninety-one".