7249268636 has 6 divisors (see below), whose sum is σ = 12686220120. Its totient is φ = 3624634316.

The previous prime is 7249268633. The next prime is 7249268641. The reversal of 7249268636 is 6368629427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7249268633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 906158576 + ... + 906158583.

It is an arithmetic number, because the mean of its divisors is an integer number (2114370020).

Almost surely, 2^7249268636 is an apocalyptic number.

It is an amenable number.

7249268636 is a deficient number, since it is larger than the sum of its proper divisors (5436951484).

7249268636 is a wasteful number, since it uses less digits than its factorization.

7249268636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812317163 (or 1812317161 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 53.

The square root of 7249268636 is about 85142.6370040299. The cubic root of 7249268636 is about 1935.3732372099.

The spelling of 7249268636 in words is "seven billion, two hundred forty-nine million, two hundred sixty-eight thousand, six hundred thirty-six".