3521667645001 has 24 divisors (see below), whose sum is σ = 3876144935040. Its totient is φ = 3197200849920.

The previous prime is 3521667644959. The next prime is 3521667645043. The reversal of 3521667645001 is 1005467661253.

It is an interprime number because it is at equal distance from previous prime (3521667644959) and next prime (3521667645043).

It is not a de Polignac number, because 3521667645001 - 2¹⁷ = 3521667513929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3521667645401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371518380 + ... + 371527858.

It is an arithmetic number, because the mean of its divisors is an integer number (161506038960).

Almost surely, 2^{3521667645001} is an apocalyptic number.

It is an amenable number.

3521667645001 is a deficient number, since it is larger than the sum of its proper divisors (354477290039).

3521667645001 is a wasteful number, since it uses less digits than its factorization.

3521667645001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13317 (or 13306 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 3521667645001 in words is "three trillion, five hundred twenty-one billion, six hundred sixty-seven million, six hundred forty-five thousand, one".