428265037201 has 2 divisors, whose sum is σ = 428265037202. Its totient is φ = 428265037200.

The previous prime is 428265037199. The next prime is 428265037217. The reversal of 428265037201 is 102730562824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350080488976 + 78184548225 = 591676^2 + 279615^2 .

It is a cyclic number.

It is not a de Polignac number, because 428265037201 - 2¹ = 428265037199 is a prime.

Together with 428265037199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (428265037241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214132518600 + 214132518601.

It is an arithmetic number, because the mean of its divisors is an integer number (214132518601).

Almost surely, 2^428265037201 is an apocalyptic number.

It is an amenable number.

428265037201 is a deficient number, since it is larger than the sum of its proper divisors (1).

428265037201 is an equidigital number, since it uses as much as digits as its factorization.

428265037201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 428265037201 in words is "four hundred twenty-eight billion, two hundred sixty-five million, thirty-seven thousand, two hundred one".