43245197087 has 2 divisors, whose sum is σ = 43245197088. Its totient is φ = 43245197086.

The previous prime is 43245197071. The next prime is 43245197113. The reversal of 43245197087 is 78079154234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43245197087 - 2⁴ = 43245197071 is a prime.

It is a super-3 number, since 3×43245197087³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43245197027) 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 as a sum of consecutive naturals, namely, 21622598543 + 21622598544.

It is an arithmetic number, because the mean of its divisors is an integer number (21622598544).

Almost surely, 2^43245197087 is an apocalyptic number.

43245197087 is a deficient number, since it is larger than the sum of its proper divisors (1).

43245197087 is an equidigital number, since it uses as much as digits as its factorization.

43245197087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 43245197087 in words is "forty-three billion, two hundred forty-five million, one hundred ninety-seven thousand, eighty-seven".