3245516921653 has 4 divisors (see below), whose sum is σ = 3416333601760. Its totient is φ = 3074700241548.

The previous prime is 3245516921651. The next prime is 3245516921681. The reversal of 3245516921653 is 3561296155423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3245516921653 - 2¹ = 3245516921651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3245516921653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3245516921651) 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, 85408340025 + ... + 85408340062.

It is an arithmetic number, because the mean of its divisors is an integer number (854083400440).

Almost surely, 2^{3245516921653} is an apocalyptic number.

It is an amenable number.

3245516921653 is a deficient number, since it is larger than the sum of its proper divisors (170816680107).

3245516921653 is a wasteful number, since it uses less digits than its factorization.

3245516921653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170816680106.

The product of its digits is 5832000, while the sum is 52.

The spelling of 3245516921653 in words is "three trillion, two hundred forty-five billion, five hundred sixteen million, nine hundred twenty-one thousand, six hundred fifty-three".