701428456309 has 4 divisors (see below), whose sum is σ = 801632521504. Its totient is φ = 601224391116.

The previous prime is 701428456273. The next prime is 701428456319. The reversal of 701428456309 is 903654824107.

It is a happy number.

701428456309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 701428456309 - 2²³ = 701420067701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (701428456319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50102032587 + ... + 50102032600.

It is an arithmetic number, because the mean of its divisors is an integer number (200408130376).

It is a 1-persistent number, because it is pandigital, but 2⋅701428456309 = 1402856912618 is not.

Almost surely, 2^701428456309 is an apocalyptic number.

It is an amenable number.

701428456309 is a deficient number, since it is larger than the sum of its proper divisors (100204065195).

701428456309 is a wasteful number, since it uses less digits than its factorization.

701428456309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100204065194.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 701428456309 in words is "seven hundred one billion, four hundred twenty-eight million, four hundred fifty-six thousand, three hundred nine".