3249690869523 has 24 divisors (see below), whose sum is σ = 5040539293440. Its totient is φ = 1856891630160.

The previous prime is 3249690869443. The next prime is 3249690869543. The reversal of 3249690869523 is 3259680969423.

It is a happy number.

It is not a de Polignac number, because 3249690869523 - 2¹⁰ = 3249690868499 is a prime.

It is a super-2 number, since 2×3249690869523² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3249690869543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3337818 + ... + 4200048.

It is an arithmetic number, because the mean of its divisors is an integer number (210022470560).

Almost surely, 2^{3249690869523} is an apocalyptic number.

3249690869523 is a deficient number, since it is larger than the sum of its proper divisors (1790848423917).

3249690869523 is a wasteful number, since it uses less digits than its factorization.

3249690869523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887887 (or 887880 counting only the distinct ones).

The product of its (nonzero) digits is 151165440, while the sum is 66.

The spelling of 3249690869523 in words is "three trillion, two hundred forty-nine billion, six hundred ninety million, eight hundred sixty-nine thousand, five hundred twenty-three".