1689611423830 has 16 divisors (see below), whose sum is σ = 3317782432464. Its totient is φ = 614404154080.

The previous prime is 1689611423821. The next prime is 1689611423909. The reversal of 1689611423830 is 383241169861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7680051817 + ... + 7680052036.

It is an arithmetic number, because the mean of its divisors is an integer number (207361402029).

Almost surely, 2^{1689611423830} is an apocalyptic number.

1689611423830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1689611423830 is a deficient number, since it is larger than the sum of its proper divisors (1628171008634).

1689611423830 is a wasteful number, since it uses less digits than its factorization.

1689611423830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15360103871.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 1689611423830 in words is "one trillion, six hundred eighty-nine billion, six hundred eleven million, four hundred twenty-three thousand, eight hundred thirty".