2456623157 has 2 divisors, whose sum is σ = 2456623158. Its totient is φ = 2456623156.

The previous prime is 2456623121. The next prime is 2456623159. The reversal of 2456623157 is 7513266542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1931250916 + 525372241 = 43946^2 + 22921^2 .

It is a cyclic number.

It is not a de Polignac number, because 2456623157 - 2¹⁴ = 2456606773 is a prime.

Together with 2456623159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2456623159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228311578 + 1228311579.

It is an arithmetic number, because the mean of its divisors is an integer number (1228311579).

Almost surely, 2^2456623157 is an apocalyptic number.

It is an amenable number.

2456623157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2456623157 is an equidigital number, since it uses as much as digits as its factorization.

2456623157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 41.

The square root of 2456623157 is about 49564.3335171573. Note that the first 3 decimals coincide. The cubic root of 2456623157 is about 1349.3134427640.

Adding to 2456623157 its reverse (7513266542), we get a palindrome (9969889699).

The spelling of 2456623157 in words is "two billion, four hundred fifty-six million, six hundred twenty-three thousand, one hundred fifty-seven".