6213840797 has 2 divisors, whose sum is σ = 6213840798. Its totient is φ = 6213840796.

The previous prime is 6213840781. The next prime is 6213840803. The reversal of 6213840797 is 7970483126.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4731513796 + 1482327001 = 68786^2 + 38501^2 .

It is a cyclic number.

It is not a de Polignac number, because 6213840797 - 2⁴ = 6213840781 is a prime.

It is a super-2 number, since 2×6213840797² = 77223634900923190418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6213840727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3106920398 + 3106920399.

It is an arithmetic number, because the mean of its divisors is an integer number (3106920399).

Almost surely, 2^6213840797 is an apocalyptic number.

It is an amenable number.

6213840797 is a deficient number, since it is larger than the sum of its proper divisors (1).

6213840797 is an equidigital number, since it uses as much as digits as its factorization.

6213840797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 6213840797 is about 78827.9188929912. The cubic root of 6213840797 is about 1838.4565661427.

The spelling of 6213840797 in words is "six billion, two hundred thirteen million, eight hundred forty thousand, seven hundred ninety-seven".