764242105651 has 8 divisors (see below), whose sum is σ = 814437471744. Its totient is φ = 715460693640.

The previous prime is 764242105607. The next prime is 764242105657. The reversal of 764242105651 is 156501242467.

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

It is not a de Polignac number, because 764242105651 - 2³³ = 755652171059 is a prime.

It is a super-2 number, since 2×764242105651² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 764242105598 and 764242105607.

It is not an unprimeable number, because it can be changed into a prime (764242105657) 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, 353487405 + ... + 353489566.

It is an arithmetic number, because the mean of its divisors is an integer number (101804683968).

Almost surely, 2^764242105651 is an apocalyptic number.

764242105651 is a deficient number, since it is larger than the sum of its proper divisors (50195366093).

764242105651 is a wasteful number, since it uses less digits than its factorization.

764242105651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706977041.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 764242105651 in words is "seven hundred sixty-four billion, two hundred forty-two million, one hundred five thousand, six hundred fifty-one".