2563898097 has 4 divisors (see below), whose sum is σ = 3418530800. Its totient is φ = 1709265396.

The previous prime is 2563898093. The next prime is 2563898101. The reversal of 2563898097 is 7908983652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2563898093) and next prime (2563898101).

It is not a de Polignac number, because 2563898097 - 2² = 2563898093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2563898093) 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, 427316347 + ... + 427316352.

It is an arithmetic number, because the mean of its divisors is an integer number (854632700).

Almost surely, 2^2563898097 is an apocalyptic number.

It is an amenable number.

2563898097 is a deficient number, since it is larger than the sum of its proper divisors (854632703).

2563898097 is an equidigital number, since it uses as much as digits as its factorization.

2563898097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854632702.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The square root of 2563898097 is about 50634.9493630635. The cubic root of 2563898097 is about 1368.6747439786.

The spelling of 2563898097 in words is "two billion, five hundred sixty-three million, eight hundred ninety-eight thousand, ninety-seven".