49193731 has 2 divisors, whose sum is σ = 49193732. Its totient is φ = 49193730.

The previous prime is 49193723. The next prime is 49193743. The reversal of 49193731 is 13739194.

49193731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49193731 - 2³ = 49193723 is a prime.

It is a super-2 number, since 2×49193731² = 4840046339400722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49193701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24596865 + 24596866.

It is an arithmetic number, because the mean of its divisors is an integer number (24596866).

Almost surely, 2^49193731 is an apocalyptic number.

49193731 is a deficient number, since it is larger than the sum of its proper divisors (1).

49193731 is an equidigital number, since it uses as much as digits as its factorization.

49193731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 37.

The square root of 49193731 is about 7013.8242778102. The cubic root of 49193731 is about 366.4121959790.

The spelling of 49193731 in words is "forty-nine million, one hundred ninety-three thousand, seven hundred thirty-one".