5201645651 has 8 divisors (see below), whose sum is σ = 5370324864. Its totient is φ = 5033021760.

The previous prime is 5201645633. The next prime is 5201645723. The reversal of 5201645651 is 1565461025.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5201645651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5201675651) 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, 270095 + ... + 288711.

It is an arithmetic number, because the mean of its divisors is an integer number (671290608).

Almost surely, 2^5201645651 is an apocalyptic number.

5201645651 is a deficient number, since it is larger than the sum of its proper divisors (168679213).

5201645651 is a wasteful number, since it uses less digits than its factorization.

5201645651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27661.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 5201645651 is about 72122.4351433034. The cubic root of 5201645651 is about 1732.6609513096.

The spelling of 5201645651 in words is "five billion, two hundred one million, six hundred forty-five thousand, six hundred fifty-one".