49164649 has 2 divisors, whose sum is σ = 49164650. Its totient is φ = 49164648.

The previous prime is 49164637. The next prime is 49164653. The reversal of 49164649 is 94646194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30085225 + 19079424 = 5485^2 + 4368^2 .

It is a cyclic number.

It is not a de Polignac number, because 49164649 - 2¹⁵ = 49131881 is a prime.

It is a super-2 number, since 2×49164649² = 4834325422586402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49164659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24582324 + 24582325.

It is an arithmetic number, because the mean of its divisors is an integer number (24582325).

Almost surely, 2^49164649 is an apocalyptic number.

It is an amenable number.

49164649 is a deficient number, since it is larger than the sum of its proper divisors (1).

49164649 is an equidigital number, since it uses as much as digits as its factorization.

49164649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The square root of 49164649 is about 7011.7507799408. The cubic root of 49164649 is about 366.3399774273.

The spelling of 49164649 in words is "forty-nine million, one hundred sixty-four thousand, six hundred forty-nine".