1489998351 has 8 divisors (see below), whose sum is σ = 2073041280. Its totient is φ = 950143832.

The previous prime is 1489998329. The next prime is 1489998421. The reversal of 1489998351 is 1538999841.

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 1489998351 - 2⁶ = 1489998287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1489998291 and 1489998300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489996351) 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, 10797021 + ... + 10797158.

It is an arithmetic number, because the mean of its divisors is an integer number (259130160).

Almost surely, 2^1489998351 is an apocalyptic number.

1489998351 is a deficient number, since it is larger than the sum of its proper divisors (583042929).

1489998351 is a wasteful number, since it uses less digits than its factorization.

1489998351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21594205.

The product of its digits is 2799360, while the sum is 57.

The square root of 1489998351 is about 38600.4967714147. The cubic root of 1489998351 is about 1142.1643378363.

The spelling of 1489998351 in words is "one billion, four hundred eighty-nine million, nine hundred ninety-eight thousand, three hundred fifty-one".