36549246387 has 18 divisors (see below), whose sum is σ = 50953864612. Its totient is φ = 23301909224.

The previous prime is 36549246367. The next prime is 36549246397. The reversal of 36549246387 is 78364294563.

It is not a de Polignac number, because 36549246387 - 2¹⁶ = 36549180851 is a prime.

It is a super-2 number, since 2×36549246387² (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 (36549246367) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7613614 + ... + 7618412.

Almost surely, 2^36549246387 is an apocalyptic number.

36549246387 is a deficient number, since it is larger than the sum of its proper divisors (14404618225).

36549246387 is an frugal number, since it uses more digits than its factorization.

36549246387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9647 (or 4825 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 57.

The spelling of 36549246387 in words is "thirty-six billion, five hundred forty-nine million, two hundred forty-six thousand, three hundred eighty-seven".