16477387941613 has 2 divisors, whose sum is σ = 16477387941614. Its totient is φ = 16477387941612.

The previous prime is 16477387941589. The next prime is 16477387941743. The reversal of 16477387941613 is 31614978377461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16280232405129 + 197155536484 = 4034877^2 + 444022^2 .

It is a cyclic number.

It is not a de Polignac number, because 16477387941613 - 2¹³ = 16477387933421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16477387941913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8238693970806 + 8238693970807.

It is an arithmetic number, because the mean of its divisors is an integer number (8238693970807).

Almost surely, 2^{16477387941613} is an apocalyptic number.

It is an amenable number.

16477387941613 is a deficient number, since it is larger than the sum of its proper divisors (1).

16477387941613 is an equidigital number, since it uses as much as digits as its factorization.

16477387941613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128024064, while the sum is 67.

The spelling of 16477387941613 in words is "sixteen trillion, four hundred seventy-seven billion, three hundred eighty-seven million, nine hundred forty-one thousand, six hundred thirteen".