1691228389153 has 8 divisors (see below), whose sum is σ = 1730855412000. Its totient is φ = 1651614826848.

The previous prime is 1691228389133. The next prime is 1691228389163. The reversal of 1691228389153 is 3519838221961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1691228389153 - 2³³ = 1682638454561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1691228389133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3110683 + ... + 3613696.

It is an arithmetic number, because the mean of its divisors is an integer number (216356926500).

Almost surely, 2^{1691228389153} is an apocalyptic number.

It is an amenable number.

1691228389153 is a deficient number, since it is larger than the sum of its proper divisors (39627022847).

1691228389153 is an equidigital number, since it uses as much as digits as its factorization.

1691228389153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6730271.

The product of its digits is 5598720, while the sum is 58.

The spelling of 1691228389153 in words is "one trillion, six hundred ninety-one billion, two hundred twenty-eight million, three hundred eighty-nine thousand, one hundred fifty-three".