2649422657 has 8 divisors (see below), whose sum is σ = 3125586432. Its totient is φ = 2197677600.

The previous prime is 2649422651. The next prime is 2649422663. The reversal of 2649422657 is 7562249462.

It is an interprime number because it is at equal distance from previous prime (2649422651) and next prime (2649422663).

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 2649422657 - 2⁴ = 2649422641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2649422651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6104444 + ... + 6104877.

It is an arithmetic number, because the mean of its divisors is an integer number (390698304).

Almost surely, 2^2649422657 is an apocalyptic number.

It is an amenable number.

2649422657 is a deficient number, since it is larger than the sum of its proper divisors (476163775).

2649422657 is a wasteful number, since it uses less digits than its factorization.

2649422657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12209359.

The product of its digits is 1451520, while the sum is 47.

The square root of 2649422657 is about 51472.5427485373. The cubic root of 2649422657 is about 1383.7270003551.

The spelling of 2649422657 in words is "two billion, six hundred forty-nine million, four hundred twenty-two thousand, six hundred fifty-seven".