36401097772645 has 8 divisors (see below), whose sum is σ = 43842503001600. Its totient is φ = 29013421101840.

The previous prime is 36401097772639. The next prime is 36401097772649. The reversal of 36401097772645 is 54627779010463.

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

It is not a de Polignac number, because 36401097772645 - 2⁹ = 36401097772133 is a prime.

It is a super-2 number, since 2×36401097772645² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36401097772649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13432138045 + ... + 13432140754.

It is an arithmetic number, because the mean of its divisors is an integer number (5480312875200).

Almost surely, 2^{36401097772645} is an apocalyptic number.

It is an amenable number.

36401097772645 is a deficient number, since it is larger than the sum of its proper divisors (7441405228955).

36401097772645 is a wasteful number, since it uses less digits than its factorization.

36401097772645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26864279075.

The product of its (nonzero) digits is 53343360, while the sum is 61.

The spelling of 36401097772645 in words is "thirty-six trillion, four hundred one billion, ninety-seven million, seven hundred seventy-two thousand, six hundred forty-five".