428905735901 has 2 divisors, whose sum is σ = 428905735902. Its totient is φ = 428905735900.

The previous prime is 428905735883. The next prime is 428905735903. The reversal of 428905735901 is 109537509824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277507704100 + 151398031801 = 526790^2 + 389099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428905735901 is a prime.

Together with 428905735903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428905735903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214452867950 + 214452867951.

It is an arithmetic number, because the mean of its divisors is an integer number (214452867951).

Almost surely, 2^428905735901 is an apocalyptic number.

It is an amenable number.

428905735901 is a deficient number, since it is larger than the sum of its proper divisors (1).

428905735901 is an equidigital number, since it uses as much as digits as its factorization.

428905735901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 428905735901 in words is "four hundred twenty-eight billion, nine hundred five million, seven hundred thirty-five thousand, nine hundred one".