819149362 has 8 divisors (see below), whose sum is σ = 1236082176. Its totient is φ = 407121972.

The previous prime is 819149329. The next prime is 819149371. The reversal of 819149362 is 263941918.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225938 + ... + 1226605.

It is an arithmetic number, because the mean of its divisors is an integer number (154510272).

Almost surely, 2^819149362 is an apocalyptic number.

819149362 is a deficient number, since it is larger than the sum of its proper divisors (416932814).

819149362 is a wasteful number, since it uses less digits than its factorization.

819149362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452712.

The product of its digits is 93312, while the sum is 43.

The square root of 819149362 is about 28620.7854888715. The cubic root of 819149362 is about 935.6663963504. Note that the first 3 decimals are identical.

The spelling of 819149362 in words is "eight hundred nineteen million, one hundred forty-nine thousand, three hundred sixty-two".