49869015733139 has 2 divisors, whose sum is σ = 49869015733140. Its totient is φ = 49869015733138.

The previous prime is 49869015733127. The next prime is 49869015733157. The reversal of 49869015733139 is 93133751096894.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49869015733139 is a prime.

It is a super-2 number, since 2×49869015733139² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49869095733139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24934507866569 + 24934507866570.

It is an arithmetic number, because the mean of its divisors is an integer number (24934507866570).

Almost surely, 2^{49869015733139} is an apocalyptic number.

49869015733139 is a deficient number, since it is larger than the sum of its proper divisors (1).

49869015733139 is an equidigital number, since it uses as much as digits as its factorization.

49869015733139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132269760, while the sum is 68.

The spelling of 49869015733139 in words is "forty-nine trillion, eight hundred sixty-nine billion, fifteen million, seven hundred thirty-three thousand, one hundred thirty-nine".