386185402121 has 4 divisors (see below), whose sum is σ = 386188338432. Its totient is φ = 386182465812.

The previous prime is 386185402079. The next prime is 386185402133. The reversal of 386185402121 is 121204581683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 386185402121 - 2¹⁰ = 386185401097 is a prime.

It is a super-2 number, since 2×386185402121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386185402151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261145 + ... + 1537158.

It is an arithmetic number, because the mean of its divisors is an integer number (96547084608).

Almost surely, 2^386185402121 is an apocalyptic number.

It is an amenable number.

386185402121 is a deficient number, since it is larger than the sum of its proper divisors (2936311).

386185402121 is a wasteful number, since it uses less digits than its factorization.

386185402121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936310.

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 386185402121 in words is "three hundred eighty-six billion, one hundred eighty-five million, four hundred two thousand, one hundred twenty-one".