631500769346 has 4 divisors (see below), whose sum is σ = 947251154022. Its totient is φ = 315750384672.

The previous prime is 631500769331. The next prime is 631500769373. The reversal of 631500769346 is 643967005136.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 604877952121 + 26622817225 = 777739^2 + 163165^2 .

It is a junction number, because it is equal to n+sod(n) for n = 631500769294 and 631500769303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157875192335 + ... + 157875192338.

Almost surely, 2^631500769346 is an apocalyptic number.

631500769346 is a deficient number, since it is larger than the sum of its proper divisors (315750384676).

631500769346 is a wasteful number, since it uses less digits than its factorization.

631500769346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315750384675.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 631500769346 in words is "six hundred thirty-one billion, five hundred million, seven hundred sixty-nine thousand, three hundred forty-six".