49401791 has 2 divisors, whose sum is σ = 49401792. Its totient is φ = 49401790.

The previous prime is 49401763. The next prime is 49401799. The reversal of 49401791 is 19710494.

49401791 is nontrivially palindromic in base 13.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49401791 - 2⁶ = 49401727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49401799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24700895 + 24700896.

It is an arithmetic number, because the mean of its divisors is an integer number (24700896).

Almost surely, 2^49401791 is an apocalyptic number.

49401791 is a deficient number, since it is larger than the sum of its proper divisors (1).

49401791 is an equidigital number, since it uses as much as digits as its factorization.

49401791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 49401791 is about 7028.6407647567. The cubic root of 49401791 is about 366.9280374263.

The spelling of 49401791 in words is "forty-nine million, four hundred one thousand, seven hundred ninety-one".