3500731489 has 4 divisors (see below), whose sum is σ = 3511775124. Its totient is φ = 3489687856.

The previous prime is 3500731469. The next prime is 3500731499. The reversal of 3500731489 is 9841370053.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1992729600 + 1508001889 = 44640^2 + 38833^2 .

It is a cyclic number.

It is not a de Polignac number, because 3500731489 - 2⁵ = 3500731457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3500731469) 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, 5521342 + ... + 5521975.

It is an arithmetic number, because the mean of its divisors is an integer number (877943781).

Almost surely, 2^3500731489 is an apocalyptic number.

It is an amenable number.

3500731489 is a deficient number, since it is larger than the sum of its proper divisors (11043635).

3500731489 is a wasteful number, since it uses less digits than its factorization.

3500731489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11043634.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 3500731489 is about 59166.9797184206. The cubic root of 3500731489 is about 1518.4002514952.

The spelling of 3500731489 in words is "three billion, five hundred million, seven hundred thirty-one thousand, four hundred eighty-nine".