2456287091 has 2 divisors, whose sum is σ = 2456287092. Its totient is φ = 2456287090.

The previous prime is 2456287087. The next prime is 2456287121. The reversal of 2456287091 is 1907826542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2456287091 - 2² = 2456287087 is a prime.

It is not a weakly prime, because it can be changed into another prime (2456287021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228143545 + 1228143546.

It is an arithmetic number, because the mean of its divisors is an integer number (1228143546).

Almost surely, 2^2456287091 is an apocalyptic number.

2456287091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2456287091 is an equidigital number, since it uses as much as digits as its factorization.

2456287091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 2456287091 is about 49560.9432012749. The cubic root of 2456287091 is about 1349.2519112739.

The spelling of 2456287091 in words is "two billion, four hundred fifty-six million, two hundred eighty-seven thousand, ninety-one".