2651422565 has 8 divisors (see below), whose sum is σ = 3470953248. Its totient is φ = 1928307280.

The previous prime is 2651422549. The next prime is 2651422567. The reversal of 2651422565 is 5652241562.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2651422565 - 2⁴ = 2651422549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651422567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24103787 + ... + 24103896.

It is an arithmetic number, because the mean of its divisors is an integer number (433869156).

Almost surely, 2^2651422565 is an apocalyptic number.

It is an amenable number.

2651422565 is a deficient number, since it is larger than the sum of its proper divisors (819530683).

2651422565 is a wasteful number, since it uses less digits than its factorization.

2651422565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48207699.

The product of its digits is 144000, while the sum is 38.

The square root of 2651422565 is about 51491.9660238372. The cubic root of 2651422565 is about 1384.0750800496.

The spelling of 2651422565 in words is "two billion, six hundred fifty-one million, four hundred twenty-two thousand, five hundred sixty-five".