49929409 has 2 divisors, whose sum is σ = 49929410. Its totient is φ = 49929408.

The previous prime is 49929377. The next prime is 49929421. The reversal of 49929409 is 90492994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45603009 + 4326400 = 6753^2 + 2080^2 .

It is a cyclic number.

It is not a de Polignac number, because 49929409 - 2⁵ = 49929377 is a prime.

It is not a weakly prime, because it can be changed into another prime (49929469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24964704 + 24964705.

It is an arithmetic number, because the mean of its divisors is an integer number (24964705).

Almost surely, 2^49929409 is an apocalyptic number.

It is an amenable number.

49929409 is a deficient number, since it is larger than the sum of its proper divisors (1).

49929409 is an equidigital number, since it uses as much as digits as its factorization.

49929409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 49929409 is about 7066.0745113535. The cubic root of 49929409 is about 368.2296952312.

The spelling of 49929409 in words is "forty-nine million, nine hundred twenty-nine thousand, four hundred nine".