2391084149 has 2 divisors, whose sum is σ = 2391084150. Its totient is φ = 2391084148.

The previous prime is 2391084139. The next prime is 2391084229. The reversal of 2391084149 is 9414801932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1535229124 + 855855025 = 39182^2 + 29255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2391084149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2391084139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195542074 + 1195542075.

It is an arithmetic number, because the mean of its divisors is an integer number (1195542075).

Almost surely, 2^2391084149 is an apocalyptic number.

It is an amenable number.

2391084149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2391084149 is an equidigital number, since it uses as much as digits as its factorization.

2391084149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 2391084149 is about 48898.7131630271. The cubic root of 2391084149 is about 1337.2059083094.

The spelling of 2391084149 in words is "two billion, three hundred ninety-one million, eighty-four thousand, one hundred forty-nine".