49002681139 has 12 divisors (see below), whose sum is σ = 52817901984. Its totient is φ = 45435840912.

The previous prime is 49002681131. The next prime is 49002681163. The reversal of 49002681139 is 93118620094.

It is a happy number.

49002681139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49002681139 - 2³ = 49002681131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49002681095 and 49002681104.

It is not an unprimeable number, because it can be changed into a prime (49002681131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1427092 + ... + 1461025.

It is an arithmetic number, because the mean of its divisors is an integer number (4401491832).

Almost surely, 2^49002681139 is an apocalyptic number.

49002681139 is a deficient number, since it is larger than the sum of its proper divisors (3815220845).

49002681139 is a wasteful number, since it uses less digits than its factorization.

49002681139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888202 (or 2888183 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 49002681139 in words is "forty-nine billion, two million, six hundred eighty-one thousand, one hundred thirty-nine".