354638786425 has 48 divisors (see below), whose sum is σ = 548356367232. Its totient is φ = 221035622400.

The previous prime is 354638786407. The next prime is 354638786431. The reversal of 354638786425 is 524687836453.

It is not a de Polignac number, because 354638786425 - 2⁷ = 354638786297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14843289 + ... + 14867161.

It is an arithmetic number, because the mean of its divisors is an integer number (11424090984).

Almost surely, 2^354638786425 is an apocalyptic number.

354638786425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

354638786425 is a deficient number, since it is larger than the sum of its proper divisors (193717580807).

354638786425 is a wasteful number, since it uses less digits than its factorization.

354638786425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31618 (or 31613 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 61.

The spelling of 354638786425 in words is "three hundred fifty-four billion, six hundred thirty-eight million, seven hundred eighty-six thousand, four hundred twenty-five".