36864146257 has 4 divisors (see below), whose sum is σ = 36882424996. Its totient is φ = 36845867520.

The previous prime is 36864146251. The next prime is 36864146309. The reversal of 36864146257 is 75264146863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75264146863 = 19559 ⋅3848057.

It can be written as a sum of positive squares in 2 ways, for example, as 16806788881 + 20057357376 = 129641^2 + 141624^2 .

It is a cyclic number.

It is not a de Polignac number, because 36864146257 - 2⁷ = 36864146129 is a prime.

It is a super-2 number, since 2×36864146257² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36864146251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9136344 + ... + 9140377.

It is an arithmetic number, because the mean of its divisors is an integer number (9220606249).

Almost surely, 2^36864146257 is an apocalyptic number.

It is an amenable number.

36864146257 is a deficient number, since it is larger than the sum of its proper divisors (18278739).

36864146257 is a wasteful number, since it uses less digits than its factorization.

36864146257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18278738.

The product of its digits is 5806080, while the sum is 52.

The spelling of 36864146257 in words is "thirty-six billion, eight hundred sixty-four million, one hundred forty-six thousand, two hundred fifty-seven".