49451173948 has 18 divisors (see below), whose sum is σ = 95121990488. Its totient is φ = 22477806120.

The previous prime is 49451173909. The next prime is 49451173987. The reversal of 49451173948 is 84937115494.

It is an interprime number because it is at equal distance from previous prime (49451173909) and next prime (49451173987).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51085440 + ... + 51086407.

Almost surely, 2^49451173948 is an apocalyptic number.

It is an amenable number.

49451173948 is a deficient number, since it is larger than the sum of its proper divisors (45670816540).

49451173948 is a wasteful number, since it uses less digits than its factorization.

49451173948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102171873 (or 102171860 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The spelling of 49451173948 in words is "forty-nine billion, four hundred fifty-one million, one hundred seventy-three thousand, nine hundred forty-eight".