16437426379089 has 4 divisors (see below), whose sum is σ = 21916568505456. Its totient is φ = 10958284252724.

The previous prime is 16437426379081. The next prime is 16437426379117. The reversal of 16437426379089 is 98097362473461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16437426379089 - 2³ = 16437426379081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16437426379081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2739571063179 + ... + 2739571063184.

It is an arithmetic number, because the mean of its divisors is an integer number (5479142126364).

Almost surely, 2^{16437426379089} is an apocalyptic number.

It is an amenable number.

16437426379089 is a deficient number, since it is larger than the sum of its proper divisors (5479142126367).

16437426379089 is an equidigital number, since it uses as much as digits as its factorization.

16437426379089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5479142126366.

The product of its (nonzero) digits is 329204736, while the sum is 69.

The spelling of 16437426379089 in words is "sixteen trillion, four hundred thirty-seven billion, four hundred twenty-six million, three hundred seventy-nine thousand, eighty-nine".