3573644374520 has 64 divisors (see below), whose sum is σ = 8810314531200. Its totient is φ = 1293782308480.

The previous prime is 3573644374481. The next prime is 3573644374523. The reversal of 3573644374520 is 254734463753.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3573644374523) 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, 17789810 + ... + 17989569.

It is an arithmetic number, because the mean of its divisors is an integer number (137661164550).

Almost surely, 2^{3573644374520} is an apocalyptic number.

It is an amenable number.

3573644374520 is an abundant number, since it is smaller than the sum of its proper divisors (5236670156680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3573644374520 is a wasteful number, since it uses less digits than its factorization.

3573644374520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35779628 (or 35779624 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 53.

The spelling of 3573644374520 in words is "three trillion, five hundred seventy-three billion, six hundred forty-four million, three hundred seventy-four thousand, five hundred twenty".