1089621716407 has 8 divisors (see below), whose sum is σ = 1253528863232. Its totient is φ = 927776295000.

The previous prime is 1089621716401. The next prime is 1089621716413. The reversal of 1089621716407 is 7046171269801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1089621716401) and next prime (1089621716413).

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 1089621716407 - 2³ = 1089621716399 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 (1089621716401) 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, 515430219 + ... + 515432332.

It is an arithmetic number, because the mean of its divisors is an integer number (156691107904).

Almost surely, 2^{1089621716407} is an apocalyptic number.

1089621716407 is a deficient number, since it is larger than the sum of its proper divisors (163907146825).

1089621716407 is a wasteful number, since it uses less digits than its factorization.

1089621716407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030862709.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 1089621716407 in words is "one trillion, eighty-nine billion, six hundred twenty-one million, seven hundred sixteen thousand, four hundred seven".