49979651 has 2 divisors, whose sum is σ = 49979652. Its totient is φ = 49979650.

The previous prime is 49979627. The next prime is 49979653. The reversal of 49979651 is 15697994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49979651 - 2¹⁰ = 49978627 is a prime.

It is a super-3 number, since 3×49979651³ (a number of 24 digits) contains 333 as substring.

Together with 49979653, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49979651.

It is not a weakly prime, because it can be changed into another prime (49979653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24989825 + 24989826.

It is an arithmetic number, because the mean of its divisors is an integer number (24989826).

Almost surely, 2^49979651 is an apocalyptic number.

49979651 is a deficient number, since it is larger than the sum of its proper divisors (1).

49979651 is an equidigital number, since it uses as much as digits as its factorization.

49979651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 50.

The square root of 49979651 is about 7069.6287738466. The cubic root of 49979651 is about 368.3531655112.

The spelling of 49979651 in words is "forty-nine million, nine hundred seventy-nine thousand, six hundred fifty-one".