7623645041 has 4 divisors (see below), whose sum is σ = 7626381300. Its totient is φ = 7620908784.

The previous prime is 7623645031. The next prime is 7623645061. The reversal of 7623645041 is 1405463267.

It is a happy number.

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 4159734016 + 3463911025 = 64496^2 + 58855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7623645041 is a prime.

It is a super-2 number, since 2×7623645041² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7623644986 and 7623645004.

It is not an unprimeable number, because it can be changed into a prime (7623645031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363946 + ... + 1369523.

It is an arithmetic number, because the mean of its divisors is an integer number (1906595325).

Almost surely, 2^7623645041 is an apocalyptic number.

It is an amenable number.

7623645041 is a deficient number, since it is larger than the sum of its proper divisors (2736259).

7623645041 is a wasteful number, since it uses less digits than its factorization.

7623645041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736258.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 7623645041 is about 87313.4871655004. The cubic root of 7623645041 is about 1968.1319990209.

The spelling of 7623645041 in words is "seven billion, six hundred twenty-three million, six hundred forty-five thousand, forty-one".