406061898121 has 4 divisors (see below), whose sum is σ = 442976616144. Its totient is φ = 369147180100.

The previous prime is 406061898113. The next prime is 406061898181. The reversal of 406061898121 is 121898160604.

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 406061898121 - 2³ = 406061898113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406061898101) 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, 18457358995 + ... + 18457359016.

It is an arithmetic number, because the mean of its divisors is an integer number (110744154036).

Almost surely, 2^406061898121 is an apocalyptic number.

It is an amenable number.

406061898121 is a deficient number, since it is larger than the sum of its proper divisors (36914718023).

406061898121 is a wasteful number, since it uses less digits than its factorization.

406061898121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36914718022.

The product of its (nonzero) digits is 165888, while the sum is 46.

The spelling of 406061898121 in words is "four hundred six billion, sixty-one million, eight hundred ninety-eight thousand, one hundred twenty-one".