4364607681 has 24 divisors (see below), whose sum is σ = 7253438400. Its totient is φ = 2477317536.

The previous prime is 4364607661. The next prime is 4364607683. The reversal of 4364607681 is 1867064634.

It is a happy number.

4364607681 is a `hidden beast` number, since 4 + 36 + 4 + 607 + 6 + 8 + 1 = 666.

It is not a de Polignac number, because 4364607681 - 2⁵ = 4364607649 is a prime.

It is a super-2 number, since 2×4364607681² = 38099600418088395522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4364607683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223095 + ... + 241868.

It is an arithmetic number, because the mean of its divisors is an integer number (302226600).

Almost surely, 2^4364607681 is an apocalyptic number.

It is an amenable number.

4364607681 is a deficient number, since it is larger than the sum of its proper divisors (2888830719).

4364607681 is a wasteful number, since it uses less digits than its factorization.

4364607681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465125 (or 465122 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 4364607681 is about 66065.1775218988. The cubic root of 4364607681 is about 1634.2371201831.

The spelling of 4364607681 in words is "four billion, three hundred sixty-four million, six hundred seven thousand, six hundred eighty-one".