7645542356 has 12 divisors (see below), whose sum is σ = 13393126068. Its totient is φ = 3818934912.

The previous prime is 7645542353. The next prime is 7645542383. The reversal of 7645542356 is 6532455467.

It can be written as a sum of positive squares in 2 ways, for example, as 7278819856 + 366722500 = 85316^2 + 19150^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7645542356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7645542353) 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, 954581 + ... + 962556.

It is an arithmetic number, because the mean of its divisors is an integer number (1116093839).

Almost surely, 2^7645542356 is an apocalyptic number.

It is an amenable number.

7645542356 is a deficient number, since it is larger than the sum of its proper divisors (5747583712).

7645542356 is a wasteful number, since it uses less digits than its factorization.

7645542356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918138 (or 1918136 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 47.

The square root of 7645542356 is about 87438.7920547854. The cubic root of 7645542356 is about 1970.0145460030.

It can be divided in two parts, 76455 and 42356, that added together give a palindrome (118811).

The spelling of 7645542356 in words is "seven billion, six hundred forty-five million, five hundred forty-two thousand, three hundred fifty-six".