631096046489 has 4 divisors (see below), whose sum is σ = 658535005056. Its totient is φ = 603657087924.

The previous prime is 631096046431. The next prime is 631096046491. The reversal of 631096046489 is 984640690136.

It is a happy number.

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 631096046489 - 2⁸ = 631096046233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631096046689) 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, 13719479249 + ... + 13719479294.

It is an arithmetic number, because the mean of its divisors is an integer number (164633751264).

Almost surely, 2^631096046489 is an apocalyptic number.

It is an amenable number.

631096046489 is a deficient number, since it is larger than the sum of its proper divisors (27438958567).

631096046489 is a wasteful number, since it uses less digits than its factorization.

631096046489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27438958566.

The product of its (nonzero) digits is 6718464, while the sum is 56.

The spelling of 631096046489 in words is "six hundred thirty-one billion, ninety-six million, forty-six thousand, four hundred eighty-nine".