1089217606974 has 64 divisors (see below), whose sum is σ = 2567902611456. Its totient is φ = 301494438144.

The previous prime is 1089217606973. The next prime is 1089217606991. The reversal of 1089217606974 is 4796067129801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089217606973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1142022 + ... + 1866185.

It is an arithmetic number, because the mean of its divisors is an integer number (40123478304).

Almost surely, 2^{1089217606974} is an apocalyptic number.

1089217606974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1089217606974 is an abundant number, since it is smaller than the sum of its proper divisors (1478685004482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1089217606974 is a wasteful number, since it uses less digits than its factorization.

1089217606974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008489.

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 1089217606974 in words is "one trillion, eighty-nine billion, two hundred seventeen million, six hundred six thousand, nine hundred seventy-four".