6503602345 has 4 divisors (see below), whose sum is σ = 7804322820. Its totient is φ = 5202881872.

The previous prime is 6503602333. The next prime is 6503602349. The reversal of 6503602345 is 5432063056.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2077627561 + 4425974784 = 45581^2 + 66528^2 .

It is a cyclic number.

It is not a de Polignac number, because 6503602345 - 2²¹ = 6501505193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6503602345.

It is not an unprimeable number, because it can be changed into a prime (6503602349) 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, 650360230 + ... + 650360239.

It is an arithmetic number, because the mean of its divisors is an integer number (1951080705).

Almost surely, 2^6503602345 is an apocalyptic number.

It is an amenable number.

6503602345 is a deficient number, since it is larger than the sum of its proper divisors (1300720475).

6503602345 is a wasteful number, since it uses less digits than its factorization.

6503602345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300720474.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 6503602345 is about 80644.9151837858. The cubic root of 6503602345 is about 1866.6002786586.

The spelling of 6503602345 in words is "six billion, five hundred three million, six hundred two thousand, three hundred forty-five".