351540672769 has 16 divisors (see below), whose sum is σ = 422603463744. Its totient is φ = 288138715200.

The previous prime is 351540672713. The next prime is 351540672773. The reversal of 351540672769 is 967276045153.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 351540672769 - 2²¹ = 351538575617 is a prime.

It is a super-2 number, since 2×351540672769² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (351540682769) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28579042 + ... + 28591339.

It is an arithmetic number, because the mean of its divisors is an integer number (26412716484).

Almost surely, 2^351540672769 is an apocalyptic number.

It is an amenable number.

351540672769 is a deficient number, since it is larger than the sum of its proper divisors (71062790975).

351540672769 is a wasteful number, since it uses less digits than its factorization.

351540672769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57170448.

The product of its (nonzero) digits is 9525600, while the sum is 55.

The spelling of 351540672769 in words is "three hundred fifty-one billion, five hundred forty million, six hundred seventy-two thousand, seven hundred sixty-nine".