2388252491 has 2 divisors, whose sum is σ = 2388252492. Its totient is φ = 2388252490.

The previous prime is 2388252469. The next prime is 2388252509. The reversal of 2388252491 is 1942528832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2388252491 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2388255491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194126245 + 1194126246.

It is an arithmetic number, because the mean of its divisors is an integer number (1194126246).

Almost surely, 2^2388252491 is an apocalyptic number.

2388252491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2388252491 is an equidigital number, since it uses as much as digits as its factorization.

2388252491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 44.

The square root of 2388252491 is about 48869.7502653738. The cubic root of 2388252491 is about 1336.6778346700.

The spelling of 2388252491 in words is "two billion, three hundred eighty-eight million, two hundred fifty-two thousand, four hundred ninety-one".