1789897413 has 8 divisors (see below), whose sum is σ = 2512136800. Its totient is φ = 1130461488.

The previous prime is 1789897399. The next prime is 1789897463. The reversal of 1789897413 is 3147989871.

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

It is not a de Polignac number, because 1789897413 - 2⁶ = 1789897349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 31401709 = 1789897413 / (1 + 7 + 8 + 9 + 8 + 9 + 7 + 4 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1789897463) 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, 15700798 + ... + 15700911.

It is an arithmetic number, because the mean of its divisors is an integer number (314017100).

Almost surely, 2^1789897413 is an apocalyptic number.

It is an amenable number.

1789897413 is a deficient number, since it is larger than the sum of its proper divisors (722239387).

1789897413 is a wasteful number, since it uses less digits than its factorization.

1789897413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31401731.

The product of its digits is 3048192, while the sum is 57.

The square root of 1789897413 is about 42307.1792134621. The cubic root of 1789897413 is about 1214.1603513084.

The spelling of 1789897413 in words is "one billion, seven hundred eighty-nine million, eight hundred ninety-seven thousand, four hundred thirteen".