6497018413 has 2 divisors, whose sum is σ = 6497018414. Its totient is φ = 6497018412.

The previous prime is 6497018399. The next prime is 6497018417. The reversal of 6497018413 is 3148107946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5166446884 + 1330571529 = 71878^2 + 36477^2 .

It is a cyclic number.

It is not a de Polignac number, because 6497018413 - 2²¹ = 6494921261 is a prime.

It is a super-2 number, since 2×6497018413² = 84422496517722077138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6497018413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6497018417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248509206 + 3248509207.

It is an arithmetic number, because the mean of its divisors is an integer number (3248509207).

Almost surely, 2^6497018413 is an apocalyptic number.

It is an amenable number.

6497018413 is a deficient number, since it is larger than the sum of its proper divisors (1).

6497018413 is an equidigital number, since it uses as much as digits as its factorization.

6497018413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 6497018413 is about 80604.0843444053. The cubic root of 6497018413 is about 1865.9701807473.

The spelling of 6497018413 in words is "six billion, four hundred ninety-seven million, eighteen thousand, four hundred thirteen".