6926172641 has 2 divisors, whose sum is σ = 6926172642. Its totient is φ = 6926172640.

The previous prime is 6926172601. The next prime is 6926172647. The reversal of 6926172641 is 1462716296.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5340540241 + 1585632400 = 73079^2 + 39820^2 .

It is a cyclic number.

It is not a de Polignac number, because 6926172641 - 2²² = 6921978337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6926172592 and 6926172601.

It is not a weakly prime, because it can be changed into another prime (6926172647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3463086320 + 3463086321.

It is an arithmetic number, because the mean of its divisors is an integer number (3463086321).

Almost surely, 2^6926172641 is an apocalyptic number.

It is an amenable number.

6926172641 is a deficient number, since it is larger than the sum of its proper divisors (1).

6926172641 is an equidigital number, since it uses as much as digits as its factorization.

6926172641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 6926172641 is about 83223.6303041390. The cubic root of 6926172641 is about 1906.1823217380.

The spelling of 6926172641 in words is "six billion, nine hundred twenty-six million, one hundred seventy-two thousand, six hundred forty-one".