2002664539 has 2 divisors, whose sum is σ = 2002664540. Its totient is φ = 2002664538.

The previous prime is 2002664527. The next prime is 2002664563. The reversal of 2002664539 is 9354662002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002664539 - 2⁵ = 2002664507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002664498 and 2002664507.

It is not a weakly prime, because it can be changed into another prime (2002464539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001332269 + 1001332270.

It is an arithmetic number, because the mean of its divisors is an integer number (1001332270).

Almost surely, 2^2002664539 is an apocalyptic number.

2002664539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002664539 is an equidigital number, since it uses as much as digits as its factorization.

2002664539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 2002664539 is about 44751.1400860358. The cubic root of 2002664539 is about 1260.4803197314.

The spelling of 2002664539 in words is "two billion, two million, six hundred sixty-four thousand, five hundred thirty-nine".