1348479989 has 8 divisors (see below), whose sum is σ = 1440639840. Its totient is φ = 1258438896.

The previous prime is 1348479983. The next prime is 1348479991. The reversal of 1348479989 is 9899748431.

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 1348479989 - 2⁴ = 1348479973 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 (1348479983) 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, 528374 + ... + 530919.

It is an arithmetic number, because the mean of its divisors is an integer number (180079980).

Almost surely, 2^1348479989 is an apocalyptic number.

1348479989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1348479989 is a deficient number, since it is larger than the sum of its proper divisors (92159851).

1348479989 is a wasteful number, since it uses less digits than its factorization.

1348479989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059379.

The product of its digits is 15676416, while the sum is 62.

The square root of 1348479989 is about 36721.6555863158. The cubic root of 1348479989 is about 1104.7944961570.

The spelling of 1348479989 in words is "one billion, three hundred forty-eight million, four hundred seventy-nine thousand, nine hundred eighty-nine".