49396681 has 2 divisors, whose sum is σ = 49396682. Its totient is φ = 49396680.

The previous prime is 49396651. The next prime is 49396717. The reversal of 49396681 is 18669394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49280400 + 116281 = 7020^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 49396681 - 2⁵ = 49396649 is a prime.

It is a super-2 number, since 2×49396681² = 4880064187631522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49396601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24698340 + 24698341.

It is an arithmetic number, because the mean of its divisors is an integer number (24698341).

Almost surely, 2^49396681 is an apocalyptic number.

It is an amenable number.

49396681 is a deficient number, since it is larger than the sum of its proper divisors (1).

49396681 is an equidigital number, since it uses as much as digits as its factorization.

49396681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 46.

The square root of 49396681 is about 7028.2772426819. The cubic root of 49396681 is about 366.9153856115.

The spelling of 49396681 in words is "forty-nine million, three hundred ninety-six thousand, six hundred eighty-one".