5399851789 has 2 divisors, whose sum is σ = 5399851790. Its totient is φ = 5399851788.

The previous prime is 5399851753. The next prime is 5399851811. The reversal of 5399851789 is 9871589935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2847076164 + 2552775625 = 53358^2 + 50525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5399851789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5399851789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5399851489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2699925894 + 2699925895.

It is an arithmetic number, because the mean of its divisors is an integer number (2699925895).

Almost surely, 2^5399851789 is an apocalyptic number.

It is an amenable number.

5399851789 is a deficient number, since it is larger than the sum of its proper divisors (1).

5399851789 is an equidigital number, since it uses as much as digits as its factorization.

5399851789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24494400, while the sum is 64.

The square root of 5399851789 is about 73483.6838284527. The cubic root of 5399851789 is about 1754.3945919811.

The spelling of 5399851789 in words is "five billion, three hundred ninety-nine million, eight hundred fifty-one thousand, seven hundred eighty-nine".