2002721489469 has 48 divisors (see below), whose sum is σ = 2927642798080. Its totient is φ = 1319170406400.

The previous prime is 2002721489399. The next prime is 2002721489479. The reversal of 2002721489469 is 9649841272002.

It is a happy number.

2002721489469 is a `hidden beast` number, since 20 + 0 + 2 + 72 + 14 + 89 + 469 = 666.

It is not a de Polignac number, because 2002721489469 - 2¹¹ = 2002721487421 is a prime.

It is a super-2 number, since 2×2002721489469² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002721489479) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 631971117 + ... + 631974285.

Almost surely, 2^{2002721489469} is an apocalyptic number.

It is an amenable number.

2002721489469 is a deficient number, since it is larger than the sum of its proper divisors (924921308611).

2002721489469 is a wasteful number, since it uses less digits than its factorization.

2002721489469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410 (or 5407 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 2002721489469 in words is "two trillion, two billion, seven hundred twenty-one million, four hundred eighty-nine thousand, four hundred sixty-nine".