2602430643 has 4 divisors (see below), whose sum is σ = 3469907528. Its totient is φ = 1734953760.

The previous prime is 2602430603. The next prime is 2602430647. The reversal of 2602430643 is 3460342062.

It is a happy number.

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

It is not a de Polignac number, because 2602430643 - 2⁸ = 2602430387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2602430643.

It is not an unprimeable number, because it can be changed into a prime (2602430647) 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, 433738438 + ... + 433738443.

It is an arithmetic number, because the mean of its divisors is an integer number (867476882).

Almost surely, 2^2602430643 is an apocalyptic number.

2602430643 is a deficient number, since it is larger than the sum of its proper divisors (867476885).

2602430643 is an equidigital number, since it uses as much as digits as its factorization.

2602430643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867476884.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 2602430643 is about 51014.0239836067. The cubic root of 2602430643 is about 1375.4972338082.

The spelling of 2602430643 in words is "two billion, six hundred two million, four hundred thirty thousand, six hundred forty-three".