43200115639 has 2 divisors, whose sum is σ = 43200115640. Its totient is φ = 43200115638.

The previous prime is 43200115583. The next prime is 43200115687. The reversal of 43200115639 is 93651100234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43200115639 - 2¹⁷ = 43199984567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43200112639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21600057819 + 21600057820.

It is an arithmetic number, because the mean of its divisors is an integer number (21600057820).

Almost surely, 2^43200115639 is an apocalyptic number.

43200115639 is a deficient number, since it is larger than the sum of its proper divisors (1).

43200115639 is an equidigital number, since it uses as much as digits as its factorization.

43200115639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 43200115639 in words is "forty-three billion, two hundred million, one hundred fifteen thousand, six hundred thirty-nine".