61249824998 has 8 divisors (see below), whose sum is σ = 91981199808. Its totient is φ = 30589425064.

The previous prime is 61249824989. The next prime is 61249825051. The reversal of 61249824998 is 89942894216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61249824998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17741561 + ... + 17745012.

It is an arithmetic number, because the mean of its divisors is an integer number (11497649976).

Almost surely, 2^61249824998 is an apocalyptic number.

61249824998 is a deficient number, since it is larger than the sum of its proper divisors (30731374810).

61249824998 is a wasteful number, since it uses less digits than its factorization.

61249824998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35487438.

The product of its digits is 17915904, while the sum is 62.

The spelling of 61249824998 in words is "sixty-one billion, two hundred forty-nine million, eight hundred twenty-four thousand, nine hundred ninety-eight".