1906614004189 has 2 divisors, whose sum is σ = 1906614004190. Its totient is φ = 1906614004188.

The previous prime is 1906614004111. The next prime is 1906614004241. The reversal of 1906614004189 is 9814004166091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1168117832025 + 738496172164 = 1080795^2 + 859358^2 .

It is a cyclic number.

It is not a de Polignac number, because 1906614004189 - 2²³ = 1906605615581 is a prime.

It is a super-2 number, since 2×1906614004189² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1906614004109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953307002094 + 953307002095.

It is an arithmetic number, because the mean of its divisors is an integer number (953307002095).

Almost surely, 2^{1906614004189} is an apocalyptic number.

It is an amenable number.

1906614004189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1906614004189 is an equidigital number, since it uses as much as digits as its factorization.

1906614004189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 1906614004189 in words is "one trillion, nine hundred six billion, six hundred fourteen million, four thousand, one hundred eighty-nine".