428034956651 has 2 divisors, whose sum is σ = 428034956652. Its totient is φ = 428034956650.

The previous prime is 428034956551. The next prime is 428034956659. The reversal of 428034956651 is 156659430824.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428034956651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428034956593 and 428034956602.

It is not a weakly prime, because it can be changed into another prime (428034956659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214017478325 + 214017478326.

It is an arithmetic number, because the mean of its divisors is an integer number (214017478326).

Almost surely, 2^428034956651 is an apocalyptic number.

428034956651 is a deficient number, since it is larger than the sum of its proper divisors (1).

428034956651 is an equidigital number, since it uses as much as digits as its factorization.

428034956651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 428034956651 in words is "four hundred twenty-eight billion, thirty-four million, nine hundred fifty-six thousand, six hundred fifty-one".