2342381221857 has 16 divisors (see below), whose sum is σ = 3287987312960. Its totient is φ = 1479203042112.

The previous prime is 2342381221841. The next prime is 2342381221871. The reversal of 2342381221857 is 7581221832432.

It is not a de Polignac number, because 2342381221857 - 2⁴ = 2342381221841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2342381221457) 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, 2281558 + ... + 3144879.

It is an arithmetic number, because the mean of its divisors is an integer number (205499207060).

Almost surely, 2^{2342381221857} is an apocalyptic number.

It is an amenable number.

2342381221857 is a deficient number, since it is larger than the sum of its proper divisors (945606091103).

2342381221857 is a wasteful number, since it uses less digits than its factorization.

2342381221857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434032.

The product of its digits is 1290240, while the sum is 48.

The spelling of 2342381221857 in words is "two trillion, three hundred forty-two billion, three hundred eighty-one million, two hundred twenty-one thousand, eight hundred fifty-seven".