61836412498 has 32 divisors (see below), whose sum is σ = 108201888000. Its totient is φ = 26493177312.

The previous prime is 61836412489. The next prime is 61836412501. The reversal of 61836412498 is 89421463816.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2572198 + ... + 2596126.

It is an arithmetic number, because the mean of its divisors is an integer number (3381309000).

Almost surely, 2^61836412498 is an apocalyptic number.

61836412498 is a deficient number, since it is larger than the sum of its proper divisors (46365475502).

61836412498 is a wasteful number, since it uses less digits than its factorization.

61836412498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27719 (or 27705 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The spelling of 61836412498 in words is "sixty-one billion, eight hundred thirty-six million, four hundred twelve thousand, four hundred ninety-eight".