2457655799 has 2 divisors, whose sum is σ = 2457655800. Its totient is φ = 2457655798.

The previous prime is 2457655769. The next prime is 2457655831. The reversal of 2457655799 is 9975567542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2457655799 - 2¹⁶ = 2457590263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2457655769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228827899 + 1228827900.

It is an arithmetic number, because the mean of its divisors is an integer number (1228827900).

Almost surely, 2^2457655799 is an apocalyptic number.

2457655799 is a deficient number, since it is larger than the sum of its proper divisors (1).

2457655799 is an equidigital number, since it uses as much as digits as its factorization.

2457655799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814000, while the sum is 59.

The square root of 2457655799 is about 49574.7496110671. The cubic root of 2457655799 is about 1349.5024776649.

The spelling of 2457655799 in words is "two billion, four hundred fifty-seven million, six hundred fifty-five thousand, seven hundred ninety-nine".