354354064420251 has 64 divisors (see below), whose sum is σ = 606124506193920. Its totient is φ = 179444754708480.

The previous prime is 354354064420231. The next prime is 354354064420267. The reversal of 354354064420251 is 152024460453453.

It is not a de Polignac number, because 354354064420251 - 2⁷ = 354354064420123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 354354064420251.

It is not an unprimeable number, because it can be changed into a prime (354354064420231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 432279456 + ... + 433098413.

It is an arithmetic number, because the mean of its divisors is an integer number (9470695409280).

Almost surely, 2^{354354064420251} is an apocalyptic number.

354354064420251 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

354354064420251 is a deficient number, since it is larger than the sum of its proper divisors (251770441773669).

354354064420251 is a wasteful number, since it uses less digits than its factorization.

354354064420251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865377964.

The product of its (nonzero) digits is 6912000, while the sum is 48.

The spelling of 354354064420251 in words is "three hundred fifty-four trillion, three hundred fifty-four billion, sixty-four million, four hundred twenty thousand, two hundred fifty-one".