428106691307 has 2 divisors, whose sum is σ = 428106691308. Its totient is φ = 428106691306.

The previous prime is 428106691249. The next prime is 428106691319. The reversal of 428106691307 is 703196601824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428106691307 - 2³⁴ = 410926822123 is a prime.

It is not a weakly prime, because it can be changed into another prime (428106691357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214053345653 + 214053345654.

It is an arithmetic number, because the mean of its divisors is an integer number (214053345654).

Almost surely, 2^428106691307 is an apocalyptic number.

428106691307 is a deficient number, since it is larger than the sum of its proper divisors (1).

428106691307 is an equidigital number, since it uses as much as digits as its factorization.

428106691307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 428106691307 in words is "four hundred twenty-eight billion, one hundred six million, six hundred ninety-one thousand, three hundred seven".