2602640053 has 6 divisors (see below), whose sum is σ = 2818243554. Its totient is φ = 2402436816.

The previous prime is 2602640023. The next prime is 2602640099. The reversal of 2602640053 is 3500462062.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 291145969 + 2311494084 = 17063^2 + 48078^2 .

It is not a de Polignac number, because 2602640053 - 2⁵ = 2602640021 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 (2602640023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7699950 + ... + 7700287.

It is an arithmetic number, because the mean of its divisors is an integer number (469707259).

Almost surely, 2^2602640053 is an apocalyptic number.

It is an amenable number.

2602640053 is a deficient number, since it is larger than the sum of its proper divisors (215603501).

2602640053 is a wasteful number, since it uses less digits than its factorization.

2602640053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15400263 (or 15400250 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2602640053 is about 51016.0764171452. The cubic root of 2602640053 is about 1375.5341269016.

The spelling of 2602640053 in words is "two billion, six hundred two million, six hundred forty thousand, fifty-three".