49643000779 has 2 divisors, whose sum is σ = 49643000780. Its totient is φ = 49643000778.

The previous prime is 49643000767. The next prime is 49643000819. The reversal of 49643000779 is 97700034694.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49643000779 - 2⁷ = 49643000651 is a prime.

It is not a weakly prime, because it can be changed into another prime (49643000479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24821500389 + 24821500390.

It is an arithmetic number, because the mean of its divisors is an integer number (24821500390).

Almost surely, 2^49643000779 is an apocalyptic number.

49643000779 is a deficient number, since it is larger than the sum of its proper divisors (1).

49643000779 is an equidigital number, since it uses as much as digits as its factorization.

49643000779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 49643000779 in words is "forty-nine billion, six hundred forty-three million, seven hundred seventy-nine", and thus it is an aban number.