49774499773 has 2 divisors, whose sum is σ = 49774499774. Its totient is φ = 49774499772.

The previous prime is 49774499759. The next prime is 49774499777. The reversal of 49774499773 is 37799447794.

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., 37186108569 + 12588391204 = 192837^2 + 112198^2 .

It is a cyclic number.

It is not a de Polignac number, because 49774499773 - 2⁵ = 49774499741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49774499777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24887249886 + 24887249887.

It is an arithmetic number, because the mean of its divisors is an integer number (24887249887).

Almost surely, 2^49774499773 is an apocalyptic number.

It is an amenable number.

49774499773 is a deficient number, since it is larger than the sum of its proper divisors (1).

49774499773 is an equidigital number, since it uses as much as digits as its factorization.

49774499773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336063168, while the sum is 70.

The spelling of 49774499773 in words is "forty-nine billion, seven hundred seventy-four million, four hundred ninety-nine thousand, seven hundred seventy-three".