49644659 has 2 divisors, whose sum is σ = 49644660. Its totient is φ = 49644658.

The previous prime is 49644589. The next prime is 49644689. The reversal of 49644659 is 95644694.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49644659 is a prime.

It is not a weakly prime, because it can be changed into another prime (49644689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24822329 + 24822330.

It is an arithmetic number, because the mean of its divisors is an integer number (24822330).

Almost surely, 2^49644659 is an apocalyptic number.

49644659 is a deficient number, since it is larger than the sum of its proper divisors (1).

49644659 is an equidigital number, since it uses as much as digits as its factorization.

49644659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 47.

The square root of 49644659 is about 7045.8966072460. The cubic root of 49644659 is about 367.5283492716.

The spelling of 49644659 in words is "forty-nine million, six hundred forty-four thousand, six hundred fifty-nine".