49933022987 has 4 divisors (see below), whose sum is σ = 51543765696. Its totient is φ = 48322280280.

The previous prime is 49933022983. The next prime is 49933023073. The reversal of 49933022987 is 78922033994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78922033994 = 2 ⋅39461016997.

It is a cyclic number.

It is not a de Polignac number, because 49933022987 - 2² = 49933022983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49933022981) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 805371308 + ... + 805371369.

It is an arithmetic number, because the mean of its divisors is an integer number (12885941424).

Almost surely, 2^49933022987 is an apocalyptic number.

49933022987 is a deficient number, since it is larger than the sum of its proper divisors (1610742709).

49933022987 is a wasteful number, since it uses less digits than its factorization.

49933022987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610742708.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 49933022987 in words is "forty-nine billion, nine hundred thirty-three million, twenty-two thousand, nine hundred eighty-seven".