64727514651 has 8 divisors (see below), whose sum is σ = 86351926864. Its totient is φ = 43127389440.

The previous prime is 64727514623. The next prime is 64727514653. The reversal of 64727514651 is 15641572746.

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

It is not a de Polignac number, because 64727514651 - 2¹⁷ = 64727383579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64727514651.

It is not an unprimeable number, because it can be changed into a prime (64727514653) 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, 6065530 + ... + 6076191.

It is an arithmetic number, because the mean of its divisors is an integer number (10793990858).

Almost surely, 2^64727514651 is an apocalyptic number.

64727514651 is a deficient number, since it is larger than the sum of its proper divisors (21624412213).

64727514651 is a wasteful number, since it uses less digits than its factorization.

64727514651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12143501.

The product of its digits is 1411200, while the sum is 48.

The spelling of 64727514651 in words is "sixty-four billion, seven hundred twenty-seven million, five hundred fourteen thousand, six hundred fifty-one".