1013487489 has 24 divisors (see below), whose sum is σ = 1700492352. Its totient is φ = 569639520.

The previous prime is 1013487481. The next prime is 1013487499. The reversal of 1013487489 is 9847843101.

It is a happy number.

It is not a de Polignac number, because 1013487489 - 2³ = 1013487481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013487481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128019 + ... + 135704.

It is an arithmetic number, because the mean of its divisors is an integer number (70853848).

Almost surely, 2^1013487489 is an apocalyptic number.

It is an amenable number.

1013487489 is a deficient number, since it is larger than the sum of its proper divisors (687004863).

1013487489 is a wasteful number, since it uses less digits than its factorization.

1013487489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263797 (or 263794 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 1013487489 is about 31835.3182644685. The cubic root of 1013487489 is about 1004.4757672869.

The spelling of 1013487489 in words is "one billion, thirteen million, four hundred eighty-seven thousand, four hundred eighty-nine".