2002674995281 has 9 divisors (see below), whose sum is σ = 2017384533723. Its totient is φ = 1988071969560.

The previous prime is 2002674995273. The next prime is 2002674995291. The reversal of 2002674995281 is 1825994762002.

It is a happy number.

The square root of 2002674995281 is 1415159.

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., 1196378751681 + 806296243600 = 1093791^2 + 897940^2 .

It is not a de Polignac number, because 2002674995281 - 2³ = 2002674995273 is a prime.

It is a super-2 number, since 2×2002674995281² (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 (2002674995221) 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, 196702011 + ... + 196712191.

Almost surely, 2^{2002674995281} is an apocalyptic number.

2002674995281 is the 1415159-th square number.

2002674995281 is the 707580-th centered octagonal number.

It is an amenable number.

2002674995281 is a deficient number, since it is larger than the sum of its proper divisors (14709538442).

2002674995281 is an frugal number, since it uses more digits than its factorization.

2002674995281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20640 (or 10320 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 2002674995281 in words is "two trillion, two billion, six hundred seventy-four million, nine hundred ninety-five thousand, two hundred eighty-one".