43290472903 has 2 divisors, whose sum is σ = 43290472904. Its totient is φ = 43290472902.

The previous prime is 43290472871. The next prime is 43290472909. The reversal of 43290472903 is 30927409234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43290472903 - 2⁵ = 43290472871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43290472903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43290472909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21645236451 + 21645236452.

It is an arithmetic number, because the mean of its divisors is an integer number (21645236452).

Almost surely, 2^43290472903 is an apocalyptic number.

43290472903 is a deficient number, since it is larger than the sum of its proper divisors (1).

43290472903 is an equidigital number, since it uses as much as digits as its factorization.

43290472903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 43290472903 in words is "forty-three billion, two hundred ninety million, four hundred seventy-two thousand, nine hundred three".