16429836641 has 2 divisors, whose sum is σ = 16429836642. Its totient is φ = 16429836640.

The previous prime is 16429836587. The next prime is 16429836653. The reversal of 16429836641 is 14663892461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10334755600 + 6095081041 = 101660^2 + 78071^2 .

It is an emirp because it is prime and its reverse (14663892461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16429836641 - 2¹⁴ = 16429820257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16429836641.

It is not a weakly prime, because it can be changed into another prime (16429836691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8214918320 + 8214918321.

It is an arithmetic number, because the mean of its divisors is an integer number (8214918321).

Almost surely, 2^16429836641 is an apocalyptic number.

It is an amenable number.

16429836641 is a deficient number, since it is larger than the sum of its proper divisors (1).

16429836641 is an equidigital number, since it uses as much as digits as its factorization.

16429836641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 50.

The spelling of 16429836641 in words is "sixteen billion, four hundred twenty-nine million, eight hundred thirty-six thousand, six hundred forty-one".