521207422414 has 64 divisors (see below), whose sum is σ = 961909862400. Its totient is φ = 206714580480.

The previous prime is 521207422403. The next prime is 521207422433. The reversal of 521207422414 is 414224702125.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 521207422414.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59911437 + ... + 59920135.

It is an arithmetic number, because the mean of its divisors is an integer number (15029841600).

Almost surely, 2^521207422414 is an apocalyptic number.

521207422414 is a deficient number, since it is larger than the sum of its proper divisors (440702439986).

521207422414 is a wasteful number, since it uses less digits than its factorization.

521207422414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12913.

The product of its (nonzero) digits is 35840, while the sum is 34.

The spelling of 521207422414 in words is "five hundred twenty-one billion, two hundred seven million, four hundred twenty-two thousand, four hundred fourteen".