504640505253723 has 24 divisors (see below), whose sum is σ = 697620871873536. Its totient is φ = 324469510965600.

The previous prime is 504640505253713. The next prime is 504640505253727. The reversal of 504640505253723 is 327352505046405.

It is not a de Polignac number, because 504640505253723 - 2⁶ = 504640505253659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (504640505253727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107479843 + ... + 112076748.

It is an arithmetic number, because the mean of its divisors is an integer number (29067536328064).

Almost surely, 2^{504640505253723} is an apocalyptic number.

504640505253723 is a deficient number, since it is larger than the sum of its proper divisors (192980366619813).

504640505253723 is a wasteful number, since it uses less digits than its factorization.

504640505253723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219557563 (or 219557534 counting only the distinct ones).

The product of its (nonzero) digits is 15120000, while the sum is 51.

The spelling of 504640505253723 in words is "five hundred four trillion, six hundred forty billion, five hundred five million, two hundred fifty-three thousand, seven hundred twenty-three".