16531032013619 has 2 divisors, whose sum is σ = 16531032013620. Its totient is φ = 16531032013618.

The previous prime is 16531032013591. The next prime is 16531032013673. The reversal of 16531032013619 is 91631023013561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16531032013619 is a prime.

It is a super-2 number, since 2×16531032013619² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16531032013919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8265516006809 + 8265516006810.

It is an arithmetic number, because the mean of its divisors is an integer number (8265516006810).

Almost surely, 2^{16531032013619} is an apocalyptic number.

16531032013619 is a deficient number, since it is larger than the sum of its proper divisors (1).

16531032013619 is an equidigital number, since it uses as much as digits as its factorization.

16531032013619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 16531032013619 in words is "sixteen trillion, five hundred thirty-one billion, thirty-two million, thirteen thousand, six hundred nineteen".