361421506504 has 16 divisors (see below), whose sum is σ = 678388567500. Its totient is φ = 180517888512.

The previous prime is 361421506499. The next prime is 361421506519. The reversal of 361421506504 is 405605124163.

It can be written as a sum of positive squares in 2 ways, for example, as 357721217604 + 3700288900 = 598098^2 + 60830^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24100129 + ... + 24115120.

Almost surely, 2^361421506504 is an apocalyptic number.

It is an amenable number.

361421506504 is a deficient number, since it is larger than the sum of its proper divisors (316967060996).

361421506504 is a wasteful number, since it uses less digits than its factorization.

361421506504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48216192 (or 48216188 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

It can be divided in two parts, 36142 and 1506504, that added together give a triangular number (1542646 = T₁₇₅₆).

The spelling of 361421506504 in words is "three hundred sixty-one billion, four hundred twenty-one million, five hundred six thousand, five hundred four".