53394516413 has 4 divisors (see below), whose sum is σ = 61022304480. Its totient is φ = 45766728348.

The previous prime is 53394516397. The next prime is 53394516421. The reversal of 53394516413 is 31461549335.

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 53394516413 - 2⁴ = 53394516397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53394516713) 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, 3813894023 + ... + 3813894036.

It is an arithmetic number, because the mean of its divisors is an integer number (15255576120).

Almost surely, 2^53394516413 is an apocalyptic number.

It is an amenable number.

53394516413 is a deficient number, since it is larger than the sum of its proper divisors (7627788067).

53394516413 is an equidigital number, since it uses as much as digits as its factorization.

53394516413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7627788066.

The product of its digits is 583200, while the sum is 44.

The spelling of 53394516413 in words is "fifty-three billion, three hundred ninety-four million, five hundred sixteen thousand, four hundred thirteen".