6021649489 has 2 divisors, whose sum is σ = 6021649490. Its totient is φ = 6021649488.

The previous prime is 6021649483. The next prime is 6021649493. The reversal of 6021649489 is 9849461206.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5838182464 + 183467025 = 76408^2 + 13545^2 .

It is a cyclic number.

It is not a de Polignac number, because 6021649489 - 2⁵ = 6021649457 is a prime.

It is a super-2 number, since 2×6021649489² = 72520525136747922242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6021649483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3010824744 + 3010824745.

It is an arithmetic number, because the mean of its divisors is an integer number (3010824745).

Almost surely, 2^6021649489 is an apocalyptic number.

It is an amenable number.

6021649489 is a deficient number, since it is larger than the sum of its proper divisors (1).

6021649489 is an equidigital number, since it uses as much as digits as its factorization.

6021649489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 6021649489 is about 77599.2879413207. The cubic root of 6021649489 is about 1819.3035101137.

The spelling of 6021649489 in words is "six billion, twenty-one million, six hundred forty-nine thousand, four hundred eighty-nine".