49912649 has 2 divisors, whose sum is σ = 49912650. Its totient is φ = 49912648.

The previous prime is 49912633. The next prime is 49912661. The reversal of 49912649 is 94621994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43983424 + 5929225 = 6632^2 + 2435^2 .

It is a cyclic number.

It is not a de Polignac number, because 49912649 - 2⁴ = 49912633 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (49912619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24956324 + 24956325.

It is an arithmetic number, because the mean of its divisors is an integer number (24956325).

Almost surely, 2^49912649 is an apocalyptic number.

It is an amenable number.

49912649 is a deficient number, since it is larger than the sum of its proper divisors (1).

49912649 is an equidigital number, since it uses as much as digits as its factorization.

49912649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 44.

The square root of 49912649 is about 7064.8884633800. Note that the first 3 decimals coincide. The cubic root of 49912649 is about 368.1884889195.

The spelling of 49912649 in words is "forty-nine million, nine hundred twelve thousand, six hundred forty-nine".