49787939019 has 64 divisors (see below), whose sum is σ = 84494778368. Its totient is φ = 25367644800.

The previous prime is 49787938961. The next prime is 49787939029. The reversal of 49787939019 is 91093978794.

It is not a de Polignac number, because 49787939019 - 2⁹ = 49787938507 is a prime.

It is a super-2 number, since 2×49787939019² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49787939029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4827222 + ... + 4837524.

It is an arithmetic number, because the mean of its divisors is an integer number (1320230912).

Almost surely, 2^49787939019 is an apocalyptic number.

49787939019 is a deficient number, since it is larger than the sum of its proper divisors (34706839349).

49787939019 is a wasteful number, since it uses less digits than its factorization.

49787939019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10928.

The product of its (nonzero) digits is 30862944, while the sum is 66.

The spelling of 49787939019 in words is "forty-nine billion, seven hundred eighty-seven million, nine hundred thirty-nine thousand, nineteen".