2646299025 has 48 divisors (see below), whose sum is σ = 4868438400. Its totient is φ = 1409302080.

The previous prime is 2646299023. The next prime is 2646299083. The reversal of 2646299025 is 5209926462.

It is not a de Polignac number, because 2646299025 - 2¹ = 2646299023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2646299023) 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 47 ways as a sum of consecutive naturals, for example, 535516 + ... + 540434.

It is an arithmetic number, because the mean of its divisors is an integer number (101425800).

Almost surely, 2^2646299025 is an apocalyptic number.

2646299025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2646299025 is a deficient number, since it is larger than the sum of its proper divisors (2222139375).

2646299025 is a wasteful number, since it uses less digits than its factorization.

2646299025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735 (or 5724 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 2646299025 is about 51442.1910983582. The cubic root of 2646299025 is about 1383.1829882896.

The spelling of 2646299025 in words is "two billion, six hundred forty-six million, two hundred ninety-nine thousand, twenty-five".