7453944043 has 12 divisors (see below), whose sum is σ = 9337908720. Its totient is φ = 5897625552.

The previous prime is 7453944041. The next prime is 7453944053. The reversal of 7453944043 is 3404493547.

It is not a de Polignac number, because 7453944043 - 2¹ = 7453944041 is a prime.

It is a super-2 number, since 2×7453944043² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7453944041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5850183 + ... + 5851456.

It is an arithmetic number, because the mean of its divisors is an integer number (778159060).

Almost surely, 2^7453944043 is an apocalyptic number.

7453944043 is a deficient number, since it is larger than the sum of its proper divisors (1883964677).

7453944043 is a wasteful number, since it uses less digits than its factorization.

7453944043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11701666 (or 11701659 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 43.

The square root of 7453944043 is about 86336.2267127768. The cubic root of 7453944043 is about 1953.4188581880.

The spelling of 7453944043 in words is "seven billion, four hundred fifty-three million, nine hundred forty-four thousand, forty-three".