85435945403 has 2 divisors, whose sum is σ = 85435945404. Its totient is φ = 85435945402.

The previous prime is 85435945381. The next prime is 85435945423. The reversal of 85435945403 is 30454953458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85435945403 - 2⁶ = 85435945339 is a prime.

It is not a weakly prime, because it can be changed into another prime (85435945423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42717972701 + 42717972702.

It is an arithmetic number, because the mean of its divisors is an integer number (42717972702).

Almost surely, 2^85435945403 is an apocalyptic number.

85435945403 is a deficient number, since it is larger than the sum of its proper divisors (1).

85435945403 is an equidigital number, since it uses as much as digits as its factorization.

85435945403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 85435945403 in words is "eighty-five billion, four hundred thirty-five million, nine hundred forty-five thousand, four hundred three".