515453071679 has 16 divisors (see below), whose sum is σ = 656279776320. Its totient is φ = 393767861760.

The previous prime is 515453071631. The next prime is 515453071687. The reversal of 515453071679 is 976170354515.

It is not a de Polignac number, because 515453071679 - 2³² = 511158104383 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 515453071679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515453071619) 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, 97658042 + ... + 97663319.

It is an arithmetic number, because the mean of its divisors is an integer number (41017486020).

Almost surely, 2^515453071679 is an apocalyptic number.

515453071679 is a deficient number, since it is larger than the sum of its proper divisors (140826704641).

515453071679 is a wasteful number, since it uses less digits than its factorization.

515453071679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195321410.

The product of its (nonzero) digits is 3969000, while the sum is 53.

The spelling of 515453071679 in words is "five hundred fifteen billion, four hundred fifty-three million, seventy-one thousand, six hundred seventy-nine".