807649641 has 12 divisors (see below), whose sum is σ = 1167819120. Its totient is φ = 537872760.

The previous prime is 807649639. The next prime is 807649649. The reversal of 807649641 is 146946708.

It is not a de Polignac number, because 807649641 - 2¹ = 807649639 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (807649649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37471 + ... + 54948.

It is an arithmetic number, because the mean of its divisors is an integer number (97318260).

Almost surely, 2^807649641 is an apocalyptic number.

It is an amenable number.

807649641 is a deficient number, since it is larger than the sum of its proper divisors (360169479).

807649641 is a wasteful number, since it uses less digits than its factorization.

807649641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93396 (or 93393 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 807649641 is about 28419.1773455883. The cubic root of 807649641 is about 931.2672595573.

The spelling of 807649641 in words is "eight hundred seven million, six hundred forty-nine thousand, six hundred forty-one".