49307179609 has 2 divisors, whose sum is σ = 49307179610. Its totient is φ = 49307179608.

The previous prime is 49307179577. The next prime is 49307179613. The reversal of 49307179609 is 90697170394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29154538009 + 20152641600 = 170747^2 + 141960^2 .

It is a cyclic number.

It is not a de Polignac number, because 49307179609 - 2⁵ = 49307179577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49307179609.

It is not a weakly prime, because it can be changed into another prime (49307179619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24653589804 + 24653589805.

It is an arithmetic number, because the mean of its divisors is an integer number (24653589805).

Almost surely, 2^49307179609 is an apocalyptic number.

It is an amenable number.

49307179609 is a deficient number, since it is larger than the sum of its proper divisors (1).

49307179609 is an equidigital number, since it uses as much as digits as its factorization.

49307179609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2571912, while the sum is 55.

The spelling of 49307179609 in words is "forty-nine billion, three hundred seven million, one hundred seventy-nine thousand, six hundred nine".