1420299048169 has 9 divisors (see below), whose sum is σ = 1430906358007. Its totient is φ = 1409769822064.

The previous prime is 1420299048109. The next prime is 1420299048239. The reversal of 1420299048169 is 9618409920241.

The square root of 1420299048169 is 1191763.

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., 834290426025 + 586008622144 = 913395^2 + 765512^2 .

It is not a de Polignac number, because 1420299048169 - 2⁷ = 1420299048041 is a prime.

It is a super-2 number, since 2×1420299048169² (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 (1420299048109) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 163267182 + ... + 163275880.

Almost surely, 2^{1420299048169} is an apocalyptic number.

1420299048169 is the 1191763-rd square number.

1420299048169 is the 595882-nd centered octagonal number.

It is an amenable number.

1420299048169 is a deficient number, since it is larger than the sum of its proper divisors (10607309838).

1420299048169 is an frugal number, since it uses more digits than its factorization.

1420299048169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17672 (or 8836 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 1420299048169 in words is "one trillion, four hundred twenty billion, two hundred ninety-nine million, forty-eight thousand, one hundred sixty-nine".