3521964607 has 4 divisors (see below), whose sum is σ = 4025102416. Its totient is φ = 3018826800.

The previous prime is 3521964587. The next prime is 3521964617. The reversal of 3521964607 is 7064691253.

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

It is a cyclic number.

It is not a de Polignac number, because 3521964607 - 2¹¹ = 3521962559 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 (3521964617) 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, 251568894 + ... + 251568907.

It is an arithmetic number, because the mean of its divisors is an integer number (1006275604).

Almost surely, 2^3521964607 is an apocalyptic number.

3521964607 is a deficient number, since it is larger than the sum of its proper divisors (503137809).

3521964607 is an equidigital number, since it uses as much as digits as its factorization.

3521964607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503137808.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 3521964607 is about 59346.1423093363. The cubic root of 3521964607 is about 1521.4639357241.

The spelling of 3521964607 in words is "three billion, five hundred twenty-one million, nine hundred sixty-four thousand, six hundred seven".