36801981948057 has 8 divisors (see below), whose sum is σ = 49069964930784. Its totient is φ = 24534326798688.

The previous prime is 36801981948047. The next prime is 36801981948059. The reversal of 36801981948057 is 75084918910863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36801981948057 - 2²⁸ = 36801713512601 is a prime.

It is a super-2 number, since 2×36801981948057² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36801981947982 and 36801981948000.

It is not an unprimeable number, because it can be changed into a prime (36801981948059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81696283 + ... + 82145520.

It is an arithmetic number, because the mean of its divisors is an integer number (6133745616348).

Almost surely, 2^{36801981948057} is an apocalyptic number.

It is an amenable number.

36801981948057 is a deficient number, since it is larger than the sum of its proper divisors (12267982982727).

36801981948057 is a wasteful number, since it uses less digits than its factorization.

36801981948057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163916679.

The product of its (nonzero) digits is 104509440, while the sum is 69.

The spelling of 36801981948057 in words is "thirty-six trillion, eight hundred one billion, nine hundred eighty-one million, nine hundred forty-eight thousand, fifty-seven".