354399886331 has 2 divisors, whose sum is σ = 354399886332. Its totient is φ = 354399886330.

The previous prime is 354399886301. The next prime is 354399886333. The reversal of 354399886331 is 133688993453.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354399886331 - 2²⁶ = 354332777467 is a prime.

It is a super-2 number, since 2×354399886331² (a number of 24 digits) contains 22 as substring.

Together with 354399886333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (354399886333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177199943165 + 177199943166.

It is an arithmetic number, because the mean of its divisors is an integer number (177199943166).

Almost surely, 2^354399886331 is an apocalyptic number.

354399886331 is a deficient number, since it is larger than the sum of its proper divisors (1).

354399886331 is an equidigital number, since it uses as much as digits as its factorization.

354399886331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50388480, while the sum is 62.

The spelling of 354399886331 in words is "three hundred fifty-four billion, three hundred ninety-nine million, eight hundred eighty-six thousand, three hundred thirty-one".