1642221513239 has 16 divisors (see below), whose sum is σ = 1659918336000. Its totient is φ = 1624604796864.

The previous prime is 1642221513227. The next prime is 1642221513277. The reversal of 1642221513239 is 9323151222461.

It is a cyclic number.

It is not a de Polignac number, because 1642221513239 - 2²⁸ = 1641953077783 is a prime.

It is a super-2 number, since 2×1642221513239² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1642221513196 and 1642221513205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642221510239) 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, 79713062 + ... + 79733660.

It is an arithmetic number, because the mean of its divisors is an integer number (103744896000).

Almost surely, 2^{1642221513239} is an apocalyptic number.

1642221513239 is a deficient number, since it is larger than the sum of its proper divisors (17696822761).

1642221513239 is a wasteful number, since it uses less digits than its factorization.

1642221513239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22502.

The product of its digits is 155520, while the sum is 41.

The spelling of 1642221513239 in words is "one trillion, six hundred forty-two billion, two hundred twenty-one million, five hundred thirteen thousand, two hundred thirty-nine".