354631648627 has 4 divisors (see below), whose sum is σ = 359924658376. Its totient is φ = 349338638880.

The previous prime is 354631648603. The next prime is 354631648643. The reversal of 354631648627 is 726846136453.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 726846136453 = 31 ⋅23446649563.

It is a cyclic number.

It is not a de Polignac number, because 354631648627 - 2¹⁹ = 354631124339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354631642627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2646504774 + ... + 2646504907.

It is an arithmetic number, because the mean of its divisors is an integer number (89981164594).

Almost surely, 2^354631648627 is an apocalyptic number.

354631648627 is a deficient number, since it is larger than the sum of its proper divisors (5293009749).

354631648627 is an equidigital number, since it uses as much as digits as its factorization.

354631648627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293009748.

The product of its digits is 17418240, while the sum is 55.

The spelling of 354631648627 in words is "three hundred fifty-four billion, six hundred thirty-one million, six hundred forty-eight thousand, six hundred twenty-seven".