86436572149 has 16 divisors (see below), whose sum is σ = 91270080000. Its totient is φ = 81631756800.

The previous prime is 86436572119. The next prime is 86436572153. The reversal of 86436572149 is 94127563468.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86436572149 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 86436572149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86436572119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18275617 + ... + 18280345.

It is an arithmetic number, because the mean of its divisors is an integer number (5704380000).

Almost surely, 2^86436572149 is an apocalyptic number.

It is an amenable number.

86436572149 is a deficient number, since it is larger than the sum of its proper divisors (4833507851).

86436572149 is a wasteful number, since it uses less digits than its factorization.

86436572149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7548.

The product of its digits is 8709120, while the sum is 55.

The spelling of 86436572149 in words is "eighty-six billion, four hundred thirty-six million, five hundred seventy-two thousand, one hundred forty-nine".