49321969 has 2 divisors, whose sum is σ = 49321970. Its totient is φ = 49321968.

The previous prime is 49321949. The next prime is 49321997. The reversal of 49321969 is 96912394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41113744 + 8208225 = 6412^2 + 2865^2 .

It is a cyclic number.

It is not a de Polignac number, because 49321969 - 2⁷ = 49321841 is a prime.

It is a super-2 number, since 2×49321969² = 4865313252073922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49321919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24660984 + 24660985.

It is an arithmetic number, because the mean of its divisors is an integer number (24660985).

Almost surely, 2^49321969 is an apocalyptic number.

It is an amenable number.

49321969 is a deficient number, since it is larger than the sum of its proper divisors (1).

49321969 is an equidigital number, since it uses as much as digits as its factorization.

49321969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 43.

The square root of 49321969 is about 7022.9601308850. The cubic root of 49321969 is about 366.7303069518.

The spelling of 49321969 in words is "forty-nine million, three hundred twenty-one thousand, nine hundred sixty-nine".