2664695425 has 12 divisors (see below), whose sum is σ = 3776254336. Its totient is φ = 1827219600.

The previous prime is 2664695419. The next prime is 2664695431. The reversal of 2664695425 is 5245964662.

It is an interprime number because it is at equal distance from previous prime (2664695419) and next prime (2664695431).

It is not a de Polignac number, because 2664695425 - 2³ = 2664695417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7613241 + ... + 7613590.

Almost surely, 2^2664695425 is an apocalyptic number.

2664695425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2664695425 is a deficient number, since it is larger than the sum of its proper divisors (1111558911).

2664695425 is a wasteful number, since it uses less digits than its factorization.

2664695425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15226848 (or 15226843 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 49.

The square root of 2664695425 is about 51620.6879555087. The cubic root of 2664695425 is about 1386.3807688126.

The spelling of 2664695425 in words is "two billion, six hundred sixty-four million, six hundred ninety-five thousand, four hundred twenty-five".