6462067861 has 2 divisors, whose sum is σ = 6462067862. Its totient is φ = 6462067860.

The previous prime is 6462067849. The next prime is 6462067891. The reversal of 6462067861 is 1687602646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5086399761 + 1375668100 = 71319^2 + 37090^2 .

It is a cyclic number.

It is not a de Polignac number, because 6462067861 - 2⁹ = 6462067349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6462067811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3231033930 + 3231033931.

It is an arithmetic number, because the mean of its divisors is an integer number (3231033931).

Almost surely, 2^6462067861 is an apocalyptic number.

It is an amenable number.

6462067861 is a deficient number, since it is larger than the sum of its proper divisors (1).

6462067861 is an equidigital number, since it uses as much as digits as its factorization.

6462067861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 6462067861 is about 80386.9881324086. The cubic root of 6462067861 is about 1862.6181825282.

The spelling of 6462067861 in words is "six billion, four hundred sixty-two million, sixty-seven thousand, eight hundred sixty-one".