7973450243 has 12 divisors (see below), whose sum is σ = 8767115280. Its totient is φ = 7246184880.

The previous prime is 7973450231. The next prime is 7973450341. The reversal of 7973450243 is 3420543797.

It is not a de Polignac number, because 7973450243 - 2⁶ = 7973450179 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7973450194 and 7973450203.

It is not an unprimeable number, because it can be changed into a prime (7973450543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 427313 + ... + 445581.

It is an arithmetic number, because the mean of its divisors is an integer number (730592940).

Almost surely, 2^7973450243 is an apocalyptic number.

7973450243 is a deficient number, since it is larger than the sum of its proper divisors (793665037).

7973450243 is a wasteful number, since it uses less digits than its factorization.

7973450243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21898 (or 21887 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 44.

The square root of 7973450243 is about 89294.1781024945. The cubic root of 7973450243 is about 1997.7850681941.

The spelling of 7973450243 in words is "seven billion, nine hundred seventy-three million, four hundred fifty thousand, two hundred forty-three".