49987486650 has 48 divisors (see below), whose sum is σ = 130493656800. Its totient is φ = 12628416960.

The previous prime is 49987486649. The next prime is 49987486693. The reversal of 49987486650 is 5668478994.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8766885 + ... + 8772584.

It is an arithmetic number, because the mean of its divisors is an integer number (2718617850).

Almost surely, 2^49987486650 is an apocalyptic number.

49987486650 is an abundant number, since it is smaller than the sum of its proper divisors (80506170150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49987486650 is a wasteful number, since it uses less digits than its factorization.

49987486650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17539503 (or 17539498 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 49987486650 in words is "forty-nine billion, nine hundred eighty-seven million, four hundred eighty-six thousand, six hundred fifty".