43285900051 has 2 divisors, whose sum is σ = 43285900052. Its totient is φ = 43285900050.

The previous prime is 43285900043. The next prime is 43285900081. The reversal of 43285900051 is 15000958234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43285900051 - 2³ = 43285900043 is a prime.

It is not a weakly prime, because it can be changed into another prime (43285900081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21642950025 + 21642950026.

It is an arithmetic number, because the mean of its divisors is an integer number (21642950026).

Almost surely, 2^43285900051 is an apocalyptic number.

43285900051 is a deficient number, since it is larger than the sum of its proper divisors (1).

43285900051 is an equidigital number, since it uses as much as digits as its factorization.

43285900051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 43285900051 in words is "forty-three billion, two hundred eighty-five million, nine hundred thousand, fifty-one".