49690679 has 2 divisors, whose sum is σ = 49690680. Its totient is φ = 49690678.

The previous prime is 49690639. The next prime is 49690723. The reversal of 49690679 is 97609694.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49690679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49690639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24845339 + 24845340.

It is an arithmetic number, because the mean of its divisors is an integer number (24845340).

Almost surely, 2^49690679 is an apocalyptic number.

49690679 is a deficient number, since it is larger than the sum of its proper divisors (1).

49690679 is an equidigital number, since it uses as much as digits as its factorization.

49690679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 49690679 is about 7049.1615813514. The cubic root of 49690679 is about 367.6418789806.

The spelling of 49690679 in words is "forty-nine million, six hundred ninety thousand, six hundred seventy-nine".