49719799 has 2 divisors, whose sum is σ = 49719800. Its totient is φ = 49719798.

The previous prime is 49719773. The next prime is 49719811. The reversal of 49719799 is 99791794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49719799 - 2⁹ = 49719287 is a prime.

It is a super-4 number, since 4×49719799⁴ (a number of 32 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49719499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24859899 + 24859900.

It is an arithmetic number, because the mean of its divisors is an integer number (24859900).

Almost surely, 2^49719799 is an apocalyptic number.

49719799 is a deficient number, since it is larger than the sum of its proper divisors (1).

49719799 is an equidigital number, since it uses as much as digits as its factorization.

49719799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1285956, while the sum is 55.

The square root of 49719799 is about 7051.2267726971. The cubic root of 49719799 is about 367.7136807828.

The spelling of 49719799 in words is "forty-nine million, seven hundred nineteen thousand, seven hundred ninety-nine".