52415521413 has 4 divisors (see below), whose sum is σ = 69887361888. Its totient is φ = 34943680940.

The previous prime is 52415521409. The next prime is 52415521447. The reversal of 52415521413 is 31412551425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52415521413 - 2² = 52415521409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52415521493) 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, 8735920233 + ... + 8735920238.

It is an arithmetic number, because the mean of its divisors is an integer number (17471840472).

Almost surely, 2^52415521413 is an apocalyptic number.

It is an amenable number.

52415521413 is a deficient number, since it is larger than the sum of its proper divisors (17471840475).

52415521413 is a wasteful number, since it uses less digits than its factorization.

52415521413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17471840474.

The product of its digits is 24000, while the sum is 33.

The spelling of 52415521413 in words is "fifty-two billion, four hundred fifteen million, five hundred twenty-one thousand, four hundred thirteen".