5389680649 has 2 divisors, whose sum is σ = 5389680650. Its totient is φ = 5389680648.

The previous prime is 5389680631. The next prime is 5389680683. The reversal of 5389680649 is 9460869835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3856410000 + 1533270649 = 62100^2 + 39157^2 .

It is a cyclic number.

It is not a de Polignac number, because 5389680649 - 2⁵ = 5389680617 is a prime.

It is a super-2 number, since 2×5389680649² = 58097314996410122402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5389680593 and 5389680602.

It is not a weakly prime, because it can be changed into another prime (5389680349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2694840324 + 2694840325.

It is an arithmetic number, because the mean of its divisors is an integer number (2694840325).

Almost surely, 2^5389680649 is an apocalyptic number.

It is an amenable number.

5389680649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5389680649 is an equidigital number, since it uses as much as digits as its factorization.

5389680649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The square root of 5389680649 is about 73414.4444166133. Note that the first 4 decimals coincide. The cubic root of 5389680649 is about 1753.2923760193.

The spelling of 5389680649 in words is "five billion, three hundred eighty-nine million, six hundred eighty thousand, six hundred forty-nine".