819952698452 has 48 divisors (see below), whose sum is σ = 1515214149120. Its totient is φ = 387467106048.

The previous prime is 819952698403. The next prime is 819952698463. The reversal of 819952698452 is 254896259918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11616338 + ... + 11686710.

It is an arithmetic number, because the mean of its divisors is an integer number (31566961440).

Almost surely, 2^819952698452 is an apocalyptic number.

It is an amenable number.

819952698452 is a deficient number, since it is larger than the sum of its proper divisors (695261450668).

819952698452 is a wasteful number, since it uses less digits than its factorization.

819952698452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71912 (or 71910 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 68.

The spelling of 819952698452 in words is "eight hundred nineteen billion, nine hundred fifty-two million, six hundred ninety-eight thousand, four hundred fifty-two".