49383775942 has 4 divisors (see below), whose sum is σ = 74075663916. Its totient is φ = 24691887970.

The previous prime is 49383775937. The next prime is 49383775967. The reversal of 49383775942 is 24957738394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24957738394 = 2 ⋅12478869197.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12345943984 + ... + 12345943987.

It is an arithmetic number, because the mean of its divisors is an integer number (18518915979).

Almost surely, 2^49383775942 is an apocalyptic number.

49383775942 is a deficient number, since it is larger than the sum of its proper divisors (24691887974).

49383775942 is a wasteful number, since it uses less digits than its factorization.

49383775942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24691887973.

The product of its digits is 45722880, while the sum is 61.

The spelling of 49383775942 in words is "forty-nine billion, three hundred eighty-three million, seven hundred seventy-five thousand, nine hundred forty-two".