49686799 has 2 divisors, whose sum is σ = 49686800. Its totient is φ = 49686798.

The previous prime is 49686797. The next prime is 49686803. The reversal of 49686799 is 99768694.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49686799 - 2¹ = 49686797 is a prime.

Together with 49686797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49686797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24843399 + 24843400.

It is an arithmetic number, because the mean of its divisors is an integer number (24843400).

Almost surely, 2^49686799 is an apocalyptic number.

49686799 is a deficient number, since it is larger than the sum of its proper divisors (1).

49686799 is an equidigital number, since it uses as much as digits as its factorization.

49686799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 58.

The square root of 49686799 is about 7048.8863659446. The cubic root of 49686799 is about 367.6323098645.

The spelling of 49686799 in words is "forty-nine million, six hundred eighty-six thousand, seven hundred ninety-nine".