3561492479 has 4 divisors (see below), whose sum is σ = 3561612600. Its totient is φ = 3561372360.

The previous prime is 3561492439. The next prime is 3561492521. The reversal of 3561492479 is 9742941653.

3561492479 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3561492479 - 2¹⁶ = 3561426943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3561492409) 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, 19889 + ... + 86709.

It is an arithmetic number, because the mean of its divisors is an integer number (890403150).

Almost surely, 2^3561492479 is an apocalyptic number.

3561492479 is a deficient number, since it is larger than the sum of its proper divisors (120121).

3561492479 is an equidigital number, since it uses as much as digits as its factorization.

3561492479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120120.

The product of its digits is 1632960, while the sum is 50.

The square root of 3561492479 is about 59678.2412525704. The cubic root of 3561492479 is about 1527.1346944530.

The spelling of 3561492479 in words is "three billion, five hundred sixty-one million, four hundred ninety-two thousand, four hundred seventy-nine".