16430505024397 has 2 divisors, whose sum is σ = 16430505024398. Its totient is φ = 16430505024396.

The previous prime is 16430505024383. The next prime is 16430505024421. The reversal of 16430505024397 is 79342050503461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16304305303881 + 126199720516 = 4037859^2 + 355246^2 .

It is a cyclic number.

It is not a de Polignac number, because 16430505024397 - 2¹⁵ = 16430504991629 is a prime.

It is a super-2 number, since 2×16430505024397² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16430505024397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16430505024697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8215252512198 + 8215252512199.

It is an arithmetic number, because the mean of its divisors is an integer number (8215252512199).

Almost surely, 2^{16430505024397} is an apocalyptic number.

It is an amenable number.

16430505024397 is a deficient number, since it is larger than the sum of its proper divisors (1).

16430505024397 is an equidigital number, since it uses as much as digits as its factorization.

16430505024397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 16430505024397 in words is "sixteen trillion, four hundred thirty billion, five hundred five million, twenty-four thousand, three hundred ninety-seven".