61823689504 has 12 divisors (see below), whose sum is σ = 121715388774. Its totient is φ = 30911844736.

The previous prime is 61823689427. The next prime is 61823689511. The reversal of 61823689504 is 40598632816.

It can be written as a sum of positive squares in only one way, i.e., 43422224400 + 18401465104 = 208380^2 + 135652^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 965995117 + ... + 965995180.

Almost surely, 2^61823689504 is an apocalyptic number.

It is an amenable number.

61823689504 is a deficient number, since it is larger than the sum of its proper divisors (59891699270).

61823689504 is a wasteful number, since it uses less digits than its factorization.

61823689504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931990307 (or 1931990299 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 61823689504 in words is "sixty-one billion, eight hundred twenty-three million, six hundred eighty-nine thousand, five hundred four".