427291041815 has 16 divisors (see below), whose sum is σ = 559796862240. Its totient is φ = 310515985920.

The previous prime is 427291041701. The next prime is 427291041817. The reversal of 427291041815 is 518140192724.

It is a happy number.

It is not a de Polignac number, because 427291041815 - 2³⁸ = 152413134871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427291041817) 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, 2942654 + ... + 3084443.

It is an arithmetic number, because the mean of its divisors is an integer number (34987303890).

Almost surely, 2^427291041815 is an apocalyptic number.

427291041815 is a deficient number, since it is larger than the sum of its proper divisors (132505820425).

427291041815 is a wasteful number, since it uses less digits than its factorization.

427291041815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6028402.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 427291041815 in words is "four hundred twenty-seven billion, two hundred ninety-one million, forty-one thousand, eight hundred fifteen".