489054865731 has 8 divisors (see below), whose sum is σ = 656764328640. Its totient is φ = 323690989992.

The previous prime is 489054865727. The next prime is 489054865799. The reversal of 489054865731 is 137568450984.

It is a happy number.

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

It is not a de Polignac number, because 489054865731 - 2² = 489054865727 is a prime.

It is a super-2 number, since 2×489054865731² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489054865711) 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, 586396305 + ... + 586397138.

It is an arithmetic number, because the mean of its divisors is an integer number (82095541080).

Almost surely, 2^489054865731 is an apocalyptic number.

489054865731 is a deficient number, since it is larger than the sum of its proper divisors (167709462909).

489054865731 is a wasteful number, since it uses less digits than its factorization.

489054865731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172793585.

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 489054865731 in words is "four hundred eighty-nine billion, fifty-four million, eight hundred sixty-five thousand, seven hundred thirty-one".