1415042491 has 2 divisors, whose sum is σ = 1415042492. Its totient is φ = 1415042490.

The previous prime is 1415042459. The next prime is 1415042521. The reversal of 1415042491 is 1942405141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1415042491 - 2⁵ = 1415042459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1415042411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707521245 + 707521246.

It is an arithmetic number, because the mean of its divisors is an integer number (707521246).

Almost surely, 2^1415042491 is an apocalyptic number.

1415042491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415042491 is an equidigital number, since it uses as much as digits as its factorization.

1415042491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1415042491 is about 37617.0505356281. The cubic root of 1415042491 is about 1122.6813125041.

The spelling of 1415042491 in words is "one billion, four hundred fifteen million, forty-two thousand, four hundred ninety-one".