1498463989 has 8 divisors (see below), whose sum is σ = 1654384032. Its totient is φ = 1345826640.

The previous prime is 1498463987. The next prime is 1498464041. The reversal of 1498463989 is 9893648941.

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 1498463989 - 2¹ = 1498463987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1498463987) 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, 819714 + ... + 821539.

It is an arithmetic number, because the mean of its divisors is an integer number (206798004).

Almost surely, 2^1498463989 is an apocalyptic number.

It is an amenable number.

1498463989 is a deficient number, since it is larger than the sum of its proper divisors (155920043).

1498463989 is a wasteful number, since it uses less digits than its factorization.

1498463989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641347.

The product of its digits is 13436928, while the sum is 61.

The square root of 1498463989 is about 38709.9985662619. The cubic root of 1498463989 is about 1144.3233771803.

The spelling of 1498463989 in words is "one billion, four hundred ninety-eight million, four hundred sixty-three thousand, nine hundred eighty-nine".