2002644364061 has 32 divisors (see below), whose sum is σ = 2350501977600. Its totient is φ = 1688648532480.

The previous prime is 2002644364057. The next prime is 2002644364103. The reversal of 2002644364061 is 1604634462002.

It is a cyclic number.

It is not a de Polignac number, because 2002644364061 - 2² = 2002644364057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002644364661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141440 + ... + 2006313.

It is an arithmetic number, because the mean of its divisors is an integer number (73453186800).

Almost surely, 2^{2002644364061} is an apocalyptic number.

It is an amenable number.

2002644364061 is a deficient number, since it is larger than the sum of its proper divisors (347857613539).

2002644364061 is a wasteful number, since it uses less digits than its factorization.

2002644364061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147909.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 2002644364061 in words is "two trillion, two billion, six hundred forty-four million, three hundred sixty-four thousand, sixty-one".