1889296481 has 8 divisors (see below), whose sum is σ = 1895128704. Its totient is φ = 1883474320.

The previous prime is 1889296463. The next prime is 1889296489. The reversal of 1889296481 is 1846929881.

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

It is a cyclic number.

It is not a de Polignac number, because 1889296481 - 2²⁶ = 1822187617 is a prime.

It is a super-2 number, since 2×1889296481² = 7138882386237966722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1889296489) 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, 532991 + ... + 536523.

It is an arithmetic number, because the mean of its divisors is an integer number (236891088).

Almost surely, 2^1889296481 is an apocalyptic number.

It is an amenable number.

1889296481 is a deficient number, since it is larger than the sum of its proper divisors (5832223).

1889296481 is an equidigital number, since it uses as much as digits as its factorization.

1889296481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031.

The product of its digits is 1990656, while the sum is 56.

The square root of 1889296481 is about 43466.0382482692. The cubic root of 1889296481 is about 1236.2321633639.

The spelling of 1889296481 in words is "one billion, eight hundred eighty-nine million, two hundred ninety-six thousand, four hundred eighty-one".