2026429119729 has 81 divisors (see below), whose sum is σ = 3473124370443. Its totient is φ = 1135222923744.

The previous prime is 2026429119703. The next prime is 2026429119731. The reversal of 2026429119729 is 9279119246202.

It is a happy number.

The square root of 2026429119729 is 1423527.

It is a perfect power (a square), and thus also a powerful number.

2026429119729 is a `hidden beast` number, since 2 + 0 + 2 + 6 + 429 + 1 + 197 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1460846909025 + 565582210704 = 1208655^2 + 752052^2 .

It is not a de Polignac number, because 2026429119729 - 2¹⁷ = 2026428988657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2026429119529) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1584384912 + ... + 1584386190.

Almost surely, 2^{2026429119729} is an apocalyptic number.

2026429119729 is the 1423527-th square number.

2026429119729 is the 711764-th centered octagonal number.

It is an amenable number.

2026429119729 is a deficient number, since it is larger than the sum of its proper divisors (1446695250714).

2026429119729 is an frugal number, since it uses more digits than its factorization.

2026429119729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 2026429119729 in words is "two trillion, twenty-six billion, four hundred twenty-nine million, one hundred nineteen thousand, seven hundred twenty-nine".