6456621703 has 16 divisors (see below), whose sum is σ = 7566177600. Its totient is φ = 5395193856.

The previous prime is 6456621673. The next prime is 6456621727. The reversal of 6456621703 is 3071266546.

It is a cyclic number.

It is not a de Polignac number, because 6456621703 - 2²¹ = 6454524551 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 (6456601703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2823 + ... + 113671.

It is an arithmetic number, because the mean of its divisors is an integer number (472886100).

Almost surely, 2^6456621703 is an apocalyptic number.

6456621703 is a deficient number, since it is larger than the sum of its proper divisors (1109555897).

6456621703 is a wasteful number, since it uses less digits than its factorization.

6456621703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111066.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 6456621703 is about 80353.1063680801. The cubic root of 6456621703 is about 1862.0947709180.

The spelling of 6456621703 in words is "six billion, four hundred fifty-six million, six hundred twenty-one thousand, seven hundred three".