1859428697489 has 16 divisors (see below), whose sum is σ = 2060696465664. Its totient is φ = 1663632432000.

The previous prime is 1859428697473. The next prime is 1859428697501. The reversal of 1859428697489 is 9847968249581.

It is not a de Polignac number, because 1859428697489 - 2⁴ = 1859428697473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1859428697689) 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, 2128862 + ... + 2872439.

It is an arithmetic number, because the mean of its divisors is an integer number (128793529104).

Almost surely, 2^{1859428697489} is an apocalyptic number.

It is an amenable number.

1859428697489 is a deficient number, since it is larger than the sum of its proper divisors (201267768175).

1859428697489 is a wasteful number, since it uses less digits than its factorization.

1859428697489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001848.

The product of its digits is 2508226560, while the sum is 80.

The spelling of 1859428697489 in words is "one trillion, eight hundred fifty-nine billion, four hundred twenty-eight million, six hundred ninety-seven thousand, four hundred eighty-nine".