2645202475 has 12 divisors (see below), whose sum is σ = 3333824320. Its totient is φ = 2081469600.

The previous prime is 2645202473. The next prime is 2645202479. The reversal of 2645202475 is 5742025462.

It is not a de Polignac number, because 2645202475 - 2¹ = 2645202473 is a prime.

It is a super-2 number, since 2×2645202475² = 13994192267492251250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2645202473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 865755 + ... + 868804.

Almost surely, 2^2645202475 is an apocalyptic number.

2645202475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2645202475 is a deficient number, since it is larger than the sum of its proper divisors (688621845).

2645202475 is a wasteful number, since it uses less digits than its factorization.

2645202475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734630 (or 1734625 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 2645202475 is about 51431.5319137978. The cubic root of 2645202475 is about 1382.9919115145.

It can be divided in two parts, 2645 and 202475, that added together give a triangular number (205120 = T₆₄₀).

The spelling of 2645202475 in words is "two billion, six hundred forty-five million, two hundred two thousand, four hundred seventy-five".