864047505429 has 12 divisors (see below), whose sum is σ = 1248089454976. Its totient is φ = 576022053672.

The previous prime is 864047505401. The next prime is 864047505437. The reversal of 864047505429 is 924505740468.

864047505429 is a `hidden beast` number, since 8 + 6 + 4 + 0 + 47 + 50 + 542 + 9 = 666.

It is not a de Polignac number, because 864047505429 - 2⁸ = 864047505173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864047505449) 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, 209317 + ... + 1331130.

Almost surely, 2^864047505429 is an apocalyptic number.

It is an amenable number.

864047505429 is a deficient number, since it is larger than the sum of its proper divisors (384041949547).

864047505429 is a wasteful number, since it uses less digits than its factorization.

864047505429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602776 (or 1602773 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 864047505429 in words is "eight hundred sixty-four billion, forty-seven million, five hundred five thousand, four hundred twenty-nine".