2248149991 has 2 divisors, whose sum is σ = 2248149992. Its totient is φ = 2248149990.

The previous prime is 2248149979. The next prime is 2248150027. The reversal of 2248149991 is 1999418422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2248149991 - 2²⁹ = 1711279079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2248149931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124074995 + 1124074996.

It is an arithmetic number, because the mean of its divisors is an integer number (1124074996).

Almost surely, 2^2248149991 is an apocalyptic number.

2248149991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2248149991 is an equidigital number, since it uses as much as digits as its factorization.

2248149991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 49.

The square root of 2248149991 is about 47414.6600852521. The cubic root of 2248149991 is about 1310.0114582453.

The spelling of 2248149991 in words is "two billion, two hundred forty-eight million, one hundred forty-nine thousand, nine hundred ninety-one".