2942180629421 has 4 divisors (see below), whose sum is σ = 3209651595744. Its totient is φ = 2674709663100.

The previous prime is 2942180629417. The next prime is 2942180629477. The reversal of 2942180629421 is 1249260812492.

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 2942180629421 - 2² = 2942180629417 is a prime.

It is a super-2 number, since 2×2942180629421² (a number of 26 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 2942180629421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942180628421) 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, 133735483145 + ... + 133735483166.

It is an arithmetic number, because the mean of its divisors is an integer number (802412898936).

Almost surely, 2^{2942180629421} is an apocalyptic number.

It is an amenable number.

2942180629421 is a deficient number, since it is larger than the sum of its proper divisors (267470966323).

2942180629421 is a wasteful number, since it uses less digits than its factorization.

2942180629421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267470966322.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 2942180629421 in words is "two trillion, nine hundred forty-two billion, one hundred eighty million, six hundred twenty-nine thousand, four hundred twenty-one".