3698707489 has 9 divisors (see below), whose sum is σ = 3764111481. Its totient is φ = 3634423920.

The previous prime is 3698707477. The next prime is 3698707511. The reversal of 3698707489 is 9847078963.

The square root of 3698707489 is 60817.

It is a perfect power (a square), and thus also a powerful number.

3698707489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 147501025 + 3551206464 = 12145^2 + 59592^2 .

It is not a de Polignac number, because 3698707489 - 2¹¹ = 3698705441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3696707489) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3709339 + ... + 3710335.

It is an arithmetic number, because the mean of its divisors is an integer number (418234609).

Almost surely, 2^3698707489 is an apocalyptic number.

3698707489 is the 60817-th square number.

3698707489 is the 30409-th centered octagonal number.

It is an amenable number.

3698707489 is a deficient number, since it is larger than the sum of its proper divisors (65403992).

3698707489 is an frugal number, since it uses more digits than its factorization.

3698707489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 61.

The cubic root of 3698707489 is about 1546.5002535719.

The spelling of 3698707489 in words is "three billion, six hundred ninety-eight million, seven hundred seven thousand, four hundred eighty-nine".