6494988541 has 2 divisors, whose sum is σ = 6494988542. Its totient is φ = 6494988540.

The previous prime is 6494988527. The next prime is 6494988551. The reversal of 6494988541 is 1458894946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3937562500 + 2557426041 = 62750^2 + 50571^2 .

It is a cyclic number.

It is not a de Polignac number, because 6494988541 - 2¹⁷ = 6494857469 is a prime.

It is a super-2 number, since 2×6494988541² = 84369752295442617362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6494988551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247494270 + 3247494271.

It is an arithmetic number, because the mean of its divisors is an integer number (3247494271).

Almost surely, 2^6494988541 is an apocalyptic number.

It is an amenable number.

6494988541 is a deficient number, since it is larger than the sum of its proper divisors (1).

6494988541 is an equidigital number, since it uses as much as digits as its factorization.

6494988541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9953280, while the sum is 58.

The square root of 6494988541 is about 80591.4917407539. The cubic root of 6494988541 is about 1865.7758313338.

The spelling of 6494988541 in words is "six billion, four hundred ninety-four million, nine hundred eighty-eight thousand, five hundred forty-one".