2664774425 has 12 divisors (see below), whose sum is σ = 3305113980. Its totient is φ = 2131307520.

The previous prime is 2664774419. The next prime is 2664774461. The reversal of 2664774425 is 5244774662.

It can be written as a sum of positive squares in 6 ways, for example, as 179452816 + 2485321609 = 13396^2 + 49853^2 .

It is not a de Polignac number, because 2664774425 - 2¹⁰ = 2664773401 is a prime.

It is a super-2 number, since 2×2664774425² = 14202045472268161250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2664774425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120641 + ... + 141009.

It is an arithmetic number, because the mean of its divisors is an integer number (275426165).

Almost surely, 2^2664774425 is an apocalyptic number.

2664774425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2664774425 is a deficient number, since it is larger than the sum of its proper divisors (640339555).

2664774425 is a wasteful number, since it uses less digits than its factorization.

2664774425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25612 (or 25607 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 47.

The square root of 2664774425 is about 51621.4531469233. The cubic root of 2664774425 is about 1386.3944693150.

The spelling of 2664774425 in words is "two billion, six hundred sixty-four million, seven hundred seventy-four thousand, four hundred twenty-five".