2643140602 has 4 divisors (see below), whose sum is σ = 3964710906. Its totient is φ = 1321570300.

The previous prime is 2643140567. The next prime is 2643140623. The reversal of 2643140602 is 2060413462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2631587401 + 11553201 = 51299^2 + 3399^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660785149 + ... + 660785152.

Almost surely, 2^2643140602 is an apocalyptic number.

2643140602 is a deficient number, since it is larger than the sum of its proper divisors (1321570304).

2643140602 is a wasteful number, since it uses less digits than its factorization.

2643140602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321570303.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2643140602 is about 51411.4831725365. The cubic root of 2643140602 is about 1382.6324815735.

The spelling of 2643140602 in words is "two billion, six hundred forty-three million, one hundred forty thousand, six hundred two".