354497121942 has 16 divisors (see below), whose sum is σ = 709002969600. Its totient is φ = 118164253032.

The previous prime is 354497121929. The next prime is 354497122009. The reversal of 354497121942 is 249121794453.

It is a super-2 number, since 2×354497121942² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242223 + ... + 876165.

It is an arithmetic number, because the mean of its divisors is an integer number (44312685600).

Almost surely, 2^354497121942 is an apocalyptic number.

354497121942 is an abundant number, since it is smaller than the sum of its proper divisors (354505847658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

354497121942 is a wasteful number, since it uses less digits than its factorization.

354497121942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727147.

The product of its digits is 2177280, while the sum is 51.

The spelling of 354497121942 in words is "three hundred fifty-four billion, four hundred ninety-seven million, one hundred twenty-one thousand, nine hundred forty-two".