6502736243 has 16 divisors (see below), whose sum is σ = 6756879360. Its totient is φ = 6253416000.

The previous prime is 6502736239. The next prime is 6502736257. The reversal of 6502736243 is 3426372056.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6502736243 - 2² = 6502736239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6502736197 and 6502736206.

It is not an unprimeable number, because it can be changed into a prime (6502736543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2547818 + ... + 2550368.

It is an arithmetic number, because the mean of its divisors is an integer number (422304960).

Almost surely, 2^6502736243 is an apocalyptic number.

6502736243 is a deficient number, since it is larger than the sum of its proper divisors (254143117).

6502736243 is a wasteful number, since it uses less digits than its factorization.

6502736243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458.

The product of its (nonzero) digits is 181440, while the sum is 38.

The square root of 6502736243 is about 80639.5451562073. The cubic root of 6502736243 is about 1866.5174149410.

The spelling of 6502736243 in words is "six billion, five hundred two million, seven hundred thirty-six thousand, two hundred forty-three".