6501820701 has 16 divisors (see below), whose sum is σ = 8803624896. Its totient is φ = 4267495296.

The previous prime is 6501820693. The next prime is 6501820723. The reversal of 6501820701 is 1070281056.

It is not a de Polignac number, because 6501820701 - 2³ = 6501820693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6501820751) 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, 96931 + ... + 149663.

It is an arithmetic number, because the mean of its divisors is an integer number (550226556).

Almost surely, 2^6501820701 is an apocalyptic number.

It is an amenable number.

6501820701 is a deficient number, since it is larger than the sum of its proper divisors (2301804195).

6501820701 is a wasteful number, since it uses less digits than its factorization.

6501820701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53372.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 6501820701 is about 80633.8682006513. The cubic root of 6501820701 is about 1866.4298130850.

The spelling of 6501820701 in words is "six billion, five hundred one million, eight hundred twenty thousand, seven hundred one".