1089562465 has 8 divisors (see below), whose sum is σ = 1310927040. Its totient is φ = 869348592.

The previous prime is 1089562459. The next prime is 1089562469. The reversal of 1089562465 is 5642659801.

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 1089562465 - 2¹⁵ = 1089529697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1089562469) 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, 285589 + ... + 289378.

It is an arithmetic number, because the mean of its divisors is an integer number (163865880).

Almost surely, 2^1089562465 is an apocalyptic number.

It is an amenable number.

1089562465 is a deficient number, since it is larger than the sum of its proper divisors (221364575).

1089562465 is an equidigital number, since it uses as much as digits as its factorization.

1089562465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575351.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 1089562465 is about 33008.5210968320. The cubic root of 1089562465 is about 1029.0047460479.

The spelling of 1089562465 in words is "one billion, eighty-nine million, five hundred sixty-two thousand, four hundred sixty-five".