249070099 has 2 divisors, whose sum is σ = 249070100. Its totient is φ = 249070098.

The previous prime is 249069991. The next prime is 249070103. The reversal of 249070099 is 990070942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249070099 - 2¹¹ = 249068051 is a prime.

It is not a weakly prime, because it can be changed into another prime (249070499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124535049 + 124535050.

It is an arithmetic number, because the mean of its divisors is an integer number (124535050).

Almost surely, 2^249070099 is an apocalyptic number.

249070099 is a deficient number, since it is larger than the sum of its proper divisors (1).

249070099 is an equidigital number, since it uses as much as digits as its factorization.

249070099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 249070099 is about 15781.9548535661. The cubic root of 249070099 is about 629.1784866240.

The spelling of 249070099 in words is "two hundred forty-nine million, seventy thousand, ninety-nine".