354949082831 has 4 divisors (see below), whose sum is σ = 405656094672. Its totient is φ = 304242070992.

The previous prime is 354949082827. The next prime is 354949082843. The reversal of 354949082831 is 138280949453.

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

It is a cyclic number.

It is not a de Polignac number, because 354949082831 - 2² = 354949082827 is a prime.

It is a super-2 number, since 2×354949082831² (a number of 24 digits) 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 (354949082861) 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, 25353505910 + ... + 25353505923.

It is an arithmetic number, because the mean of its divisors is an integer number (101414023668).

Almost surely, 2^354949082831 is an apocalyptic number.

354949082831 is a deficient number, since it is larger than the sum of its proper divisors (50707011841).

354949082831 is an equidigital number, since it uses as much as digits as its factorization.

354949082831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50707011840.

The product of its (nonzero) digits is 7464960, while the sum is 56.

The spelling of 354949082831 in words is "three hundred fifty-four billion, nine hundred forty-nine million, eighty-two thousand, eight hundred thirty-one".