43133200997 has 2 divisors, whose sum is σ = 43133200998. Its totient is φ = 43133200996.

The previous prime is 43133200967. The next prime is 43133201021. The reversal of 43133200997 is 79900233134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26650236001 + 16482964996 = 163249^2 + 128386^2 .

It is a cyclic number.

It is not a de Polignac number, because 43133200997 - 2³² = 38838233701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43133200967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21566600498 + 21566600499.

It is an arithmetic number, because the mean of its divisors is an integer number (21566600499).

Almost surely, 2^43133200997 is an apocalyptic number.

It is an amenable number.

43133200997 is a deficient number, since it is larger than the sum of its proper divisors (1).

43133200997 is an equidigital number, since it uses as much as digits as its factorization.

43133200997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

The spelling of 43133200997 in words is "forty-three billion, one hundred thirty-three million, two hundred thousand, nine hundred ninety-seven".