1009880289 has 48 divisors (see below), whose sum is σ = 1624930944. Its totient is φ = 599270400.

The previous prime is 1009880281. The next prime is 1009880309. The reversal of 1009880289 is 9820889001.

It is not a de Polignac number, because 1009880289 - 2³ = 1009880281 is a prime.

It is a super-2 number, since 2×1009880289² = 2039716396221447042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1009880281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 988599 + ... + 989619.

It is an arithmetic number, because the mean of its divisors is an integer number (33852728).

Almost surely, 2^1009880289 is an apocalyptic number.

It is an amenable number.

1009880289 is a deficient number, since it is larger than the sum of its proper divisors (615050655).

1009880289 is a wasteful number, since it uses less digits than its factorization.

1009880289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 1009880289 is about 31778.6137048173. The cubic root of 1009880289 is about 1003.2826421363.

The spelling of 1009880289 in words is "one billion, nine million, eight hundred eighty thousand, two hundred eighty-nine".