5349989736 has 360 divisors, whose sum is σ = 18894400470. Its totient is φ = 1409571072.

The previous prime is 5349989719. The next prime is 5349989753. The reversal of 5349989736 is 6379899435.

5349989736 is a `hidden beast` number, since 53 + 499 + 8 + 97 + 3 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (5349989719) and next prime (5349989753).

It can be written as a sum of positive squares in 3 ways, for example, as 3734432100 + 1615557636 = 61110^2 + 40194^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 5365590 + ... + 5366586.

Almost surely, 2^5349989736 is an apocalyptic number.

5349989736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5349989736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9447200235).

5349989736 is an abundant number, since it is smaller than the sum of its proper divisors (13544410734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5349989736 is a wasteful number, since it uses less digits than its factorization.

5349989736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1022 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The square root of 5349989736 is about 73143.6240283458. The cubic root of 5349989736 is about 1748.9778777921.

The spelling of 5349989736 in words is "five billion, three hundred forty-nine million, nine hundred eighty-nine thousand, seven hundred thirty-six".