5821899997 has 2 divisors, whose sum is σ = 5821899998. Its totient is φ = 5821899996.

The previous prime is 5821899983. The next prime is 5821900033. The reversal of 5821899997 is 7999981285.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5450721241 + 371178756 = 73829^2 + 19266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5821899997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5821899977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2910949998 + 2910949999.

It is an arithmetic number, because the mean of its divisors is an integer number (2910949999).

Almost surely, 2^5821899997 is an apocalyptic number.

It is an amenable number.

5821899997 is a deficient number, since it is larger than the sum of its proper divisors (1).

5821899997 is an equidigital number, since it uses as much as digits as its factorization.

5821899997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29393280, while the sum is 67.

The square root of 5821899997 is about 76301.3761147202. The cubic root of 5821899997 is about 1798.9603046198.

The spelling of 5821899997 in words is "five billion, eight hundred twenty-one million, eight hundred ninety-nine thousand, nine hundred ninety-seven".