504640505253731 has 8 divisors (see below), whose sum is σ = 629162188368384. Its totient is φ = 393226367730120.

The previous prime is 504640505253727. The next prime is 504640505253823. The reversal of 504640505253731 is 137352505046405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 504640505253731 - 2² = 504640505253727 is a prime.

It is a super-2 number, since 2×504640505253731² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 504640505253731.

It is not an unprimeable number, because it can be changed into a prime (504640505253701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3276886397675 + ... + 3276886397828.

It is an arithmetic number, because the mean of its divisors is an integer number (78645273546048).

Almost surely, 2^{504640505253731} is an apocalyptic number.

504640505253731 is a deficient number, since it is larger than the sum of its proper divisors (124521683114653).

504640505253731 is a wasteful number, since it uses less digits than its factorization.

504640505253731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553772795521.

The product of its (nonzero) digits is 7560000, while the sum is 50.

The spelling of 504640505253731 in words is "five hundred four trillion, six hundred forty billion, five hundred five million, two hundred fifty-three thousand, seven hundred thirty-one".