6989802461 has 2 divisors, whose sum is σ = 6989802462. Its totient is φ = 6989802460.

The previous prime is 6989802427. The next prime is 6989802473. The reversal of 6989802461 is 1642089896.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6937890436 + 51912025 = 83294^2 + 7205^2 .

It is a cyclic number.

It is not a de Polignac number, because 6989802461 - 2⁶ = 6989802397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6989822461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3494901230 + 3494901231.

It is an arithmetic number, because the mean of its divisors is an integer number (3494901231).

Almost surely, 2^6989802461 is an apocalyptic number.

It is an amenable number.

6989802461 is a deficient number, since it is larger than the sum of its proper divisors (1).

6989802461 is an equidigital number, since it uses as much as digits as its factorization.

6989802461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The square root of 6989802461 is about 83605.0384905120. The cubic root of 6989802461 is about 1912.0018175034.

The spelling of 6989802461 in words is "six billion, nine hundred eighty-nine million, eight hundred two thousand, four hundred sixty-one".