351642531427 has 16 divisors (see below), whose sum is σ = 392580283392. Its totient is φ = 312201681120.

The previous prime is 351642531421. The next prime is 351642531517. The reversal of 351642531427 is 724135246153.

It is a cyclic number.

It is not a de Polignac number, because 351642531427 - 2²⁷ = 351508313699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (351642531421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4137838 + ... + 4221964.

It is an arithmetic number, because the mean of its divisors is an integer number (24536267712).

Almost surely, 2^351642531427 is an apocalyptic number.

351642531427 is a deficient number, since it is larger than the sum of its proper divisors (40937751965).

351642531427 is a wasteful number, since it uses less digits than its factorization.

351642531427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93018.

The product of its digits is 604800, while the sum is 43.

The spelling of 351642531427 in words is "three hundred fifty-one billion, six hundred forty-two million, five hundred thirty-one thousand, four hundred twenty-seven".