354289931945 has 16 divisors (see below), whose sum is σ = 439867962000. Its totient is φ = 273621239808.

The previous prime is 354289931857. The next prime is 354289931953. The reversal of 354289931945 is 549139982453.

It can be written as a sum of positive squares in 8 ways, for example, as 22066805401 + 332223126544 = 148549^2 + 576388^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354289931945 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 929441 + ... + 1253969.

It is an arithmetic number, because the mean of its divisors is an integer number (27491747625).

Almost surely, 2^354289931945 is an apocalyptic number.

It is an amenable number.

354289931945 is a deficient number, since it is larger than the sum of its proper divisors (85578030055).

354289931945 is a wasteful number, since it uses less digits than its factorization.

354289931945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332092.

The product of its digits is 41990400, while the sum is 62.

The spelling of 354289931945 in words is "three hundred fifty-four billion, two hundred eighty-nine million, nine hundred thirty-one thousand, nine hundred forty-five".