49781951948 has 12 divisors (see below), whose sum is σ = 87202271520. Its totient is φ = 24867017232.

The previous prime is 49781951897. The next prime is 49781951969. The reversal of 49781951948 is 84915918794.

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, 5985011 + ... + 5993322.

It is an arithmetic number, because the mean of its divisors is an integer number (7266855960).

Almost surely, 2^49781951948 is an apocalyptic number.

It is an amenable number.

49781951948 is a deficient number, since it is larger than the sum of its proper divisors (37420319572).

49781951948 is a wasteful number, since it uses less digits than its factorization.

49781951948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11979376 (or 11979374 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 65.

The spelling of 49781951948 in words is "forty-nine billion, seven hundred eighty-one million, nine hundred fifty-one thousand, nine hundred forty-eight".