4621388651 has 8 divisors (see below), whose sum is σ = 5112523008. Its totient is φ = 4142089000.

The previous prime is 4621388633. The next prime is 4621388701. The reversal of 4621388651 is 1568831264.

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 4621388651 - 2⁶ = 4621388587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4621385651) 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, 2957855 + ... + 2959416.

It is an arithmetic number, because the mean of its divisors is an integer number (639065376).

Almost surely, 2^4621388651 is an apocalyptic number.

4621388651 is a deficient number, since it is larger than the sum of its proper divisors (491134357).

4621388651 is a wasteful number, since it uses less digits than its factorization.

4621388651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917353.

The product of its digits is 276480, while the sum is 44.

The square root of 4621388651 is about 67980.7961927484. The cubic root of 4621388651 is about 1665.6771618755.

The spelling of 4621388651 in words is "four billion, six hundred twenty-one million, three hundred eighty-eight thousand, six hundred fifty-one".