6387553078401 has 32 divisors (see below), whose sum is σ = 9376800048000. Its totient is φ = 3835492922880.

The previous prime is 6387553078399. The next prime is 6387553078429. The reversal of 6387553078401 is 1048703557836.

It is not a de Polignac number, because 6387553078401 - 2¹ = 6387553078399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6387553078471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71712045 + ... + 71801061.

It is an arithmetic number, because the mean of its divisors is an integer number (293025001500).

Almost surely, 2^{6387553078401} is an apocalyptic number.

It is an amenable number.

6387553078401 is a deficient number, since it is larger than the sum of its proper divisors (2989246969599).

6387553078401 is a wasteful number, since it uses less digits than its factorization.

6387553078401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109089.

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 6387553078401 in words is "six trillion, three hundred eighty-seven billion, five hundred fifty-three million, seventy-eight thousand, four hundred one".