3198787452653 has 4 divisors (see below), whose sum is σ = 3444848025948. Its totient is φ = 2952726879360.

The previous prime is 3198787452571. The next prime is 3198787452697. The reversal of 3198787452653 is 3562547878913.

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

It can be written as a sum of positive squares in 2 ways, for example, as 455136431044 + 2743651021609 = 674638^2 + 1656397^2 .

It is a cyclic number.

It is not a de Polignac number, because 3198787452653 - 2¹⁴ = 3198787436269 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 (3198787452353) 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, 123030286628 + ... + 123030286653.

It is an arithmetic number, because the mean of its divisors is an integer number (861212006487).

Almost surely, 2^{3198787452653} is an apocalyptic number.

It is an amenable number.

3198787452653 is a deficient number, since it is larger than the sum of its proper divisors (246060573295).

3198787452653 is a wasteful number, since it uses less digits than its factorization.

3198787452653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246060573294.

The product of its digits is 304819200, while the sum is 68.

The spelling of 3198787452653 in words is "three trillion, one hundred ninety-eight billion, seven hundred eighty-seven million, four hundred fifty-two thousand, six hundred fifty-three".