1429251333169 has 27 divisors (see below), whose sum is σ = 1580930238027. Its totient is φ = 1291154040000.

The previous prime is 1429251333149. The next prime is 1429251333193. The reversal of 1429251333169 is 9613331529241.

The square root of 1429251333169 is 1195513.

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

It can be written as a sum of positive squares in only one way, i.e., 160276119025 + 1268975214144 = 400345^2 + 1126488^2 .

It is not a de Polignac number, because 1429251333169 - 2²¹ = 1429249236017 is a prime.

It is a super-2 number, since 2×1429251333169² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1429251333149) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3300811177 + ... + 3300811609.

Almost surely, 2^{1429251333169} is an apocalyptic number.

1429251333169 is the 1195513-rd square number.

1429251333169 is the 597757-th centered octagonal number.

It is an amenable number.

1429251333169 is a deficient number, since it is larger than the sum of its proper divisors (151678904858).

1429251333169 is an frugal number, since it uses more digits than its factorization.

1429251333169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390 (or 695 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 49.

Multiplying 1429251333169 by its sum of digits (49), we get a square (70033315325281 = 8368591²).

The spelling of 1429251333169 in words is "one trillion, four hundred twenty-nine billion, two hundred fifty-one million, three hundred thirty-three thousand, one hundred sixty-nine".