49167691 has 2 divisors, whose sum is σ = 49167692. Its totient is φ = 49167690.

The previous prime is 49167667. The next prime is 49167697. The reversal of 49167691 is 19676194.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49167691 - 2⁵ = 49167659 is a prime.

It is not a weakly prime, because it can be changed into another prime (49167697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24583845 + 24583846.

It is an arithmetic number, because the mean of its divisors is an integer number (24583846).

Almost surely, 2^49167691 is an apocalyptic number.

49167691 is a deficient number, since it is larger than the sum of its proper divisors (1).

49167691 is an equidigital number, since it uses as much as digits as its factorization.

49167691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 43.

The square root of 49167691 is about 7011.9676981572. The cubic root of 49167691 is about 366.3475328779.

The spelling of 49167691 in words is "forty-nine million, one hundred sixty-seven thousand, six hundred ninety-one".