1354989489 has 32 divisors (see below), whose sum is σ = 2117560320. Its totient is φ = 754723200.

The previous prime is 1354989487. The next prime is 1354989491. The reversal of 1354989489 is 9849894531.

It is an interprime number because it is at equal distance from previous prime (1354989487) and next prime (1354989491).

It is not a de Polignac number, because 1354989489 - 2¹ = 1354989487 is a prime.

It is a super-2 number, since 2×1354989489² = 3671993030600962242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1354989487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127594 + ... + 137804.

It is an arithmetic number, because the mean of its divisors is an integer number (66173760).

Almost surely, 2^1354989489 is an apocalyptic number.

It is an amenable number.

1354989489 is a deficient number, since it is larger than the sum of its proper divisors (762570831).

1354989489 is a wasteful number, since it uses less digits than its factorization.

1354989489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10381.

The product of its digits is 11197440, while the sum is 60.

The square root of 1354989489 is about 36810.1818658914. The cubic root of 1354989489 is about 1106.5693633401.

The spelling of 1354989489 in words is "one billion, three hundred fifty-four million, nine hundred eighty-nine thousand, four hundred eighty-nine".