49409572651 has 2 divisors, whose sum is σ = 49409572652. Its totient is φ = 49409572650.

The previous prime is 49409572591. The next prime is 49409572657. The reversal of 49409572651 is 15627590494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49409572651 - 2¹¹ = 49409570603 is a prime.

It is not a weakly prime, because it can be changed into another prime (49409572657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24704786325 + 24704786326.

It is an arithmetic number, because the mean of its divisors is an integer number (24704786326).

Almost surely, 2^49409572651 is an apocalyptic number.

49409572651 is a deficient number, since it is larger than the sum of its proper divisors (1).

49409572651 is an equidigital number, since it uses as much as digits as its factorization.

49409572651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 49409572651 in words is "forty-nine billion, four hundred nine million, five hundred seventy-two thousand, six hundred fifty-one".