6919397701 has 4 divisors (see below), whose sum is σ = 6941225772. Its totient is φ = 6897569632.

The previous prime is 6919397699. The next prime is 6919397753. The reversal of 6919397701 is 1077939196.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4259520225 + 2659877476 = 65265^2 + 51574^2 .

It is a cyclic number.

It is not a de Polignac number, because 6919397701 - 2¹ = 6919397699 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 (6919397791) 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, 10913560 + ... + 10914193.

It is an arithmetic number, because the mean of its divisors is an integer number (1735306443).

Almost surely, 2^6919397701 is an apocalyptic number.

It is an amenable number.

6919397701 is a deficient number, since it is larger than the sum of its proper divisors (21828071).

6919397701 is a wasteful number, since it uses less digits than its factorization.

6919397701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21828070.

The product of its (nonzero) digits is 642978, while the sum is 52.

The square root of 6919397701 is about 83182.9171224477. The cubic root of 6919397701 is about 1905.5605986701.

The spelling of 6919397701 in words is "six billion, nine hundred nineteen million, three hundred ninety-seven thousand, seven hundred one".