49774919 has 2 divisors, whose sum is σ = 49774920. Its totient is φ = 49774918.

The previous prime is 49774913. The next prime is 49774931. The reversal of 49774919 is 91947794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49774919 - 2⁸ = 49774663 is a prime.

It is a super-2 number, since 2×49774919² = 4955085122913122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49774913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24887459 + 24887460.

It is an arithmetic number, because the mean of its divisors is an integer number (24887460).

Almost surely, 2^49774919 is an apocalyptic number.

49774919 is a deficient number, since it is larger than the sum of its proper divisors (1).

49774919 is an equidigital number, since it uses as much as digits as its factorization.

49774919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 50.

The square root of 49774919 is about 7055.1342297649. The cubic root of 49774919 is about 367.8495146168.

The spelling of 49774919 in words is "forty-nine million, seven hundred seventy-four thousand, nine hundred nineteen".