49906025423 has 4 divisors (see below), whose sum is σ = 52532658360. Its totient is φ = 47279392488.

The previous prime is 49906025419. The next prime is 49906025431. The reversal of 49906025423 is 32452060994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49906025423 - 2² = 49906025419 is a prime.

It is a super-2 number, since 2×49906025423² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49906025473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313316440 + ... + 1313316477.

It is an arithmetic number, because the mean of its divisors is an integer number (13133164590).

Almost surely, 2^49906025423 is an apocalyptic number.

49906025423 is a deficient number, since it is larger than the sum of its proper divisors (2626632937).

49906025423 is a wasteful number, since it uses less digits than its factorization.

49906025423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626632936.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 49906025423 in words is "forty-nine billion, nine hundred six million, twenty-five thousand, four hundred twenty-three".