342164246421 has 16 divisors (see below), whose sum is σ = 483115546368. Its totient is φ = 214664563200.

The previous prime is 342164246377. The next prime is 342164246423. The reversal of 342164246421 is 124642461243.

It is not a de Polignac number, because 342164246421 - 2⁹ = 342164245909 is a prime.

It is a super-2 number, since 2×342164246421² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 342164246421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342164246423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81 + ... + 827241.

It is an arithmetic number, because the mean of its divisors is an integer number (30194721648).

Almost surely, 2^342164246421 is an apocalyptic number.

It is an amenable number.

342164246421 is a deficient number, since it is larger than the sum of its proper divisors (140951299947).

342164246421 is a wasteful number, since it uses less digits than its factorization.

342164246421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835292.

The product of its digits is 221184, while the sum is 39.

The spelling of 342164246421 in words is "three hundred forty-two billion, one hundred sixty-four million, two hundred forty-six thousand, four hundred twenty-one".