2002966379581 has 4 divisors (see below), whose sum is σ = 2004809036032. Its totient is φ = 2001123723132.

The previous prime is 2002966379573. The next prime is 2002966379647. The reversal of 2002966379581 is 1859736692002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2002966379581 - 2³ = 2002966379573 is a prime.

It is a super-2 number, since 2×2002966379581² (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 (2002966779581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921326595 + ... + 921328768.

It is an arithmetic number, because the mean of its divisors is an integer number (501202259008).

Almost surely, 2^{2002966379581} is an apocalyptic number.

It is an amenable number.

2002966379581 is a deficient number, since it is larger than the sum of its proper divisors (1842656451).

2002966379581 is a wasteful number, since it uses less digits than its factorization.

2002966379581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842656450.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 2002966379581 in words is "two trillion, two billion, nine hundred sixty-six million, three hundred seventy-nine thousand, five hundred eighty-one".