2645512453 has 8 divisors (see below), whose sum is σ = 2706236928. Its totient is φ = 2584972944.

The previous prime is 2645512427. The next prime is 2645512459. The reversal of 2645512453 is 3542155462.

2645512453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2645512453 - 2⁹ = 2645511941 is a prime.

It is a super-2 number, since 2×2645512453² = 13997472277956154418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645512459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17101 + ... + 74722.

It is an arithmetic number, because the mean of its divisors is an integer number (338279616).

Almost surely, 2^2645512453 is an apocalyptic number.

It is an amenable number.

2645512453 is a deficient number, since it is larger than the sum of its proper divisors (60724475).

2645512453 is an equidigital number, since it uses as much as digits as its factorization.

2645512453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92483.

The product of its digits is 144000, while the sum is 37.

The square root of 2645512453 is about 51434.5453270465. The cubic root of 2645512453 is about 1383.0459313645.

The spelling of 2645512453 in words is "two billion, six hundred forty-five million, five hundred twelve thousand, four hundred fifty-three".