10426291984489 has 2 divisors, whose sum is σ = 10426291984490. Its totient is φ = 10426291984488.

The previous prime is 10426291984439. The next prime is 10426291984501. The reversal of 10426291984489 is 98448919262401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10069325168400 + 356966816089 = 3173220^2 + 597467^2 .

It is a cyclic number.

It is not a de Polignac number, because 10426291984489 - 2¹³ = 10426291976297 is a prime.

It is a super-2 number, since 2×10426291984489² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10426291984439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5213145992244 + 5213145992245.

It is an arithmetic number, because the mean of its divisors is an integer number (5213145992245).

Almost surely, 2^{10426291984489} is an apocalyptic number.

It is an amenable number.

10426291984489 is a deficient number, since it is larger than the sum of its proper divisors (1).

10426291984489 is an equidigital number, since it uses as much as digits as its factorization.

10426291984489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71663616, while the sum is 67.

The spelling of 10426291984489 in words is "ten trillion, four hundred twenty-six billion, two hundred ninety-one million, nine hundred eighty-four thousand, four hundred eighty-nine".