16421690059 has 2 divisors, whose sum is σ = 16421690060. Its totient is φ = 16421690058.

The previous prime is 16421690027. The next prime is 16421690093. The reversal of 16421690059 is 95009612461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16421690059 - 2⁵ = 16421690027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16421689997 and 16421690024.

It is not a weakly prime, because it can be changed into another prime (16421690009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8210845029 + 8210845030.

It is an arithmetic number, because the mean of its divisors is an integer number (8210845030).

Almost surely, 2^16421690059 is an apocalyptic number.

16421690059 is a deficient number, since it is larger than the sum of its proper divisors (1).

16421690059 is an equidigital number, since it uses as much as digits as its factorization.

16421690059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 16421690059 in words is "sixteen billion, four hundred twenty-one million, six hundred ninety thousand, fifty-nine".