36451843645 has 16 divisors (see below), whose sum is σ = 50008710528. Its totient is φ = 24986744640.

The previous prime is 36451843609. The next prime is 36451843651. The reversal of 36451843645 is 54634815463.

It is not a de Polignac number, because 36451843645 - 2²¹ = 36449746493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81879 + ... + 282148.

It is an arithmetic number, because the mean of its divisors is an integer number (3125544408).

Almost surely, 2^36451843645 is an apocalyptic number.

36451843645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36451843645 is a deficient number, since it is larger than the sum of its proper divisors (13556866883).

36451843645 is a wasteful number, since it uses less digits than its factorization.

36451843645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366900.

The product of its digits is 4147200, while the sum is 49.

The spelling of 36451843645 in words is "thirty-six billion, four hundred fifty-one million, eight hundred forty-three thousand, six hundred forty-five".