49512471199 has 4 divisors (see below), whose sum is σ = 49513871736. Its totient is φ = 49511070664.

The previous prime is 49512471181. The next prime is 49512471223. The reversal of 49512471199 is 99117421594.

It is a happy number.

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 49512471199 - 2⁵ = 49512471167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49512471149) 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, 645829 + ... + 718414.

It is an arithmetic number, because the mean of its divisors is an integer number (12378467934).

Almost surely, 2^49512471199 is an apocalyptic number.

49512471199 is a deficient number, since it is larger than the sum of its proper divisors (1400537).

49512471199 is a wasteful number, since it uses less digits than its factorization.

49512471199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400536.

The product of its digits is 816480, while the sum is 52.

The spelling of 49512471199 in words is "forty-nine billion, five hundred twelve million, four hundred seventy-one thousand, one hundred ninety-nine".