49655047639 has 2 divisors, whose sum is σ = 49655047640. Its totient is φ = 49655047638.

The previous prime is 49655047619. The next prime is 49655047657. The reversal of 49655047639 is 93674055694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49655047639 - 2⁷ = 49655047511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49655047619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24827523819 + 24827523820.

It is an arithmetic number, because the mean of its divisors is an integer number (24827523820).

Almost surely, 2^49655047639 is an apocalyptic number.

49655047639 is a deficient number, since it is larger than the sum of its proper divisors (1).

49655047639 is an equidigital number, since it uses as much as digits as its factorization.

49655047639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24494400, while the sum is 58.

The spelling of 49655047639 in words is "forty-nine billion, six hundred fifty-five million, forty-seven thousand, six hundred thirty-nine".