3709842481 has 4 divisors (see below), whose sum is σ = 3810108532. Its totient is φ = 3609576432.

The previous prime is 3709842467. The next prime is 3709842491. The reversal of 3709842481 is 1842489073.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1842489073 = 33809 ⋅54497.

It can be written as a sum of positive squares in 2 ways, for example, as 2594883600 + 1114958881 = 50940^2 + 33391^2 .

It is a cyclic number.

It is not a de Polignac number, because 3709842481 - 2¹⁵ = 3709809713 is a prime.

It is a super-2 number, since 2×3709842481² = 27525862467664470722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3709842421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50132970 + ... + 50133043.

It is an arithmetic number, because the mean of its divisors is an integer number (952527133).

Almost surely, 2^3709842481 is an apocalyptic number.

It is an amenable number.

3709842481 is a deficient number, since it is larger than the sum of its proper divisors (100266051).

3709842481 is a wasteful number, since it uses less digits than its factorization.

3709842481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100266050.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 3709842481 is about 60908.4762656233. The cubic root of 3709842481 is about 1548.0506164357.

The spelling of 3709842481 in words is "three billion, seven hundred nine million, eight hundred forty-two thousand, four hundred eighty-one".