3520641020073 has 16 divisors (see below), whose sum is σ = 4720546382400. Its totient is φ = 2333915579840.

The previous prime is 3520641020059. The next prime is 3520641020131. The reversal of 3520641020073 is 3700201460253.

It is a cyclic number.

It is not a de Polignac number, because 3520641020073 - 2⁹ = 3520641019561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3520641020023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25335643 + ... + 25474223.

It is an arithmetic number, because the mean of its divisors is an integer number (295034148900).

Almost surely, 2^{3520641020073} is an apocalyptic number.

It is an amenable number.

3520641020073 is a deficient number, since it is larger than the sum of its proper divisors (1199905362327).

3520641020073 is a wasteful number, since it uses less digits than its factorization.

3520641020073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186072.

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 3520641020073 in words is "three trillion, five hundred twenty billion, six hundred forty-one million, twenty thousand, seventy-three".