386633996401 has 3 divisors (see below), whose sum is σ = 386634618201. Its totient is φ = 386633374602.

The previous prime is 386633996389. The next prime is 386633996429. The reversal of 386633996401 is 104699336683.

The square root of 386633996401 is 621799.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 386633996401 - 2²⁷ = 386499778673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386633996461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 310900 + ... + 932698.

It is an arithmetic number, because the mean of its divisors is an integer number (128878206067).

Almost surely, 2^386633996401 is an apocalyptic number.

386633996401 is the 621799-th square number.

386633996401 is the 310900-th centered octagonal number.

It is an amenable number.

386633996401 is a deficient number, since it is larger than the sum of its proper divisors (621800).

386633996401 is an frugal number, since it uses more digits than its factorization.

386633996401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243598 (or 621799 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 58.

The spelling of 386633996401 in words is "three hundred eighty-six billion, six hundred thirty-three million, nine hundred ninety-six thousand, four hundred one".