2570402663 has 4 divisors (see below), whose sum is σ = 2575453080. Its totient is φ = 2565352248.

The previous prime is 2570402641. The next prime is 2570402683. The reversal of 2570402663 is 3662040752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2570402663 - 2¹⁴ = 2570386279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2570402623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2524445 + ... + 2525462.

It is an arithmetic number, because the mean of its divisors is an integer number (643863270).

Almost surely, 2^2570402663 is an apocalyptic number.

2570402663 is a deficient number, since it is larger than the sum of its proper divisors (5050417).

2570402663 is an equidigital number, since it uses as much as digits as its factorization.

2570402663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050416.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 2570402663 is about 50699.1386810466. The cubic root of 2570402663 is about 1369.8312014312.

The spelling of 2570402663 in words is "two billion, five hundred seventy million, four hundred two thousand, six hundred sixty-three".