2641725466 has 4 divisors (see below), whose sum is σ = 3962588202. Its totient is φ = 1320862732.

The previous prime is 2641725377. The next prime is 2641725473. The reversal of 2641725466 is 6645271462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6645271462 = 2 ⋅3322635731.

It can be written as a sum of positive squares in only one way, i.e., 2609064241 + 32661225 = 51079^2 + 5715^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660431365 + ... + 660431368.

Almost surely, 2^2641725466 is an apocalyptic number.

2641725466 is a deficient number, since it is larger than the sum of its proper divisors (1320862736).

2641725466 is a wasteful number, since it uses less digits than its factorization.

2641725466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320862735.

The product of its digits is 483840, while the sum is 43.

The square root of 2641725466 is about 51397.7184902209. The cubic root of 2641725466 is about 1382.3856839707.

The spelling of 2641725466 in words is "two billion, six hundred forty-one million, seven hundred twenty-five thousand, four hundred sixty-six".