49739699 has 4 divisors (see below), whose sum is σ = 50204664. Its totient is φ = 49274736.

The previous prime is 49739693. The next prime is 49739707. The reversal of 49739699 is 99693794.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49739699 is a prime.

It is a super-2 number, since 2×49739699² = 4948075313221202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49739693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232322 + ... + 232535.

It is an arithmetic number, because the mean of its divisors is an integer number (12551166).

Almost surely, 2^49739699 is an apocalyptic number.

49739699 is a deficient number, since it is larger than the sum of its proper divisors (464965).

49739699 is a wasteful number, since it uses less digits than its factorization.

49739699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464964.

The product of its digits is 3306744, while the sum is 56.

The square root of 49739699 is about 7052.6377335008. The cubic root of 49739699 is about 367.7627325110.

The spelling of 49739699 in words is "forty-nine million, seven hundred thirty-nine thousand, six hundred ninety-nine".