49081123949 has 16 divisors (see below), whose sum is σ = 57685810560. Its totient is φ = 41169764160.

The previous prime is 49081123943. The next prime is 49081124003. The reversal of 49081123949 is 94932118094.

It is a cyclic number.

It is not a de Polignac number, because 49081123949 - 2¹⁶ = 49081058413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49081123897 and 49081123906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49081123943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278072 + ... + 418910.

It is an arithmetic number, because the mean of its divisors is an integer number (3605363160).

Almost surely, 2^49081123949 is an apocalyptic number.

It is an amenable number.

49081123949 is a deficient number, since it is larger than the sum of its proper divisors (8604686611).

49081123949 is a wasteful number, since it uses less digits than its factorization.

49081123949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143300.

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 49081123949 in words is "forty-nine billion, eighty-one million, one hundred twenty-three thousand, nine hundred forty-nine".