49614989 has 2 divisors, whose sum is σ = 49614990. Its totient is φ = 49614988.

The previous prime is 49614967. The next prime is 49615003. The reversal of 49614989 is 98941694.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41538025 + 8076964 = 6445^2 + 2842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49614989 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49614589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24807494 + 24807495.

It is an arithmetic number, because the mean of its divisors is an integer number (24807495).

Almost surely, 2^49614989 is an apocalyptic number.

It is an amenable number.

49614989 is a deficient number, since it is larger than the sum of its proper divisors (1).

49614989 is an equidigital number, since it uses as much as digits as its factorization.

49614989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 50.

The square root of 49614989 is about 7043.7908117717. The cubic root of 49614989 is about 367.4551172299.

The spelling of 49614989 in words is "forty-nine million, six hundred fourteen thousand, nine hundred eighty-nine".