2415582991 has 2 divisors, whose sum is σ = 2415582992. Its totient is φ = 2415582990.

The previous prime is 2415582979. The next prime is 2415583021. The reversal of 2415582991 is 1992855142.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2415582991 - 2⁷ = 2415582863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2415582391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1207791495 + 1207791496.

It is an arithmetic number, because the mean of its divisors is an integer number (1207791496).

Almost surely, 2^2415582991 is an apocalyptic number.

2415582991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2415582991 is an equidigital number, since it uses as much as digits as its factorization.

2415582991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 46.

The square root of 2415582991 is about 49148.5807628257. The cubic root of 2415582991 is about 1341.7573643885.

The spelling of 2415582991 in words is "two billion, four hundred fifteen million, five hundred eighty-two thousand, nine hundred ninety-one".