321689937142 has 24 divisors (see below), whose sum is σ = 561422476296. Its totient is φ = 137840992128.

The previous prime is 321689937103. The next prime is 321689937167. The reversal of 321689937142 is 241739986123.

It is a super-2 number, since 2×321689937142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213318 + ... + 829990.

It is an arithmetic number, because the mean of its divisors is an integer number (23392603179).

Almost surely, 2^321689937142 is an apocalyptic number.

321689937142 is a deficient number, since it is larger than the sum of its proper divisors (239732539154).

321689937142 is a wasteful number, since it uses less digits than its factorization.

321689937142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622012 (or 622005 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 55.

The spelling of 321689937142 in words is "three hundred twenty-one billion, six hundred eighty-nine million, nine hundred thirty-seven thousand, one hundred forty-two".