49321949 has 2 divisors, whose sum is σ = 49321950. Its totient is φ = 49321948.

The previous prime is 49321927. The next prime is 49321969. The reversal of 49321949 is 94912394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37884025 + 11437924 = 6155^2 + 3382^2 .

It is a cyclic number.

It is not a de Polignac number, because 49321949 - 2⁸ = 49321693 is a prime.

It is a congruent number.

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, 24660974 + 24660975.

It is an arithmetic number, because the mean of its divisors is an integer number (24660975).

Almost surely, 2^49321949 is an apocalyptic number.

It is an amenable number.

49321949 is a deficient number, since it is larger than the sum of its proper divisors (1).

49321949 is an equidigital number, since it uses as much as digits as its factorization.

49321949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 49321949 is about 7022.9587069838. The cubic root of 49321949 is about 366.7302573823.

The spelling of 49321949 in words is "forty-nine million, three hundred twenty-one thousand, nine hundred forty-nine".