829816923490 has 8 divisors (see below), whose sum is σ = 1493670462300. Its totient is φ = 331926769392.

The previous prime is 829816923469. The next prime is 829816923493. The reversal of 829816923490 is 94329618928.

It can be written as a sum of positive squares in 2 ways, for example, as 801993682681 + 27823240809 = 895541^2 + 166803^2 .

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

It is a super-2 number, since 2×829816923490² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (829816923493) 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, 41490846165 + ... + 41490846184.

Almost surely, 2^829816923490 is an apocalyptic number.

829816923490 is a deficient number, since it is larger than the sum of its proper divisors (663853538810).

829816923490 is a wasteful number, since it uses less digits than its factorization.

829816923490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82981692356.

The product of its (nonzero) digits is 13436928, while the sum is 61.

The spelling of 829816923490 in words is "eight hundred twenty-nine billion, eight hundred sixteen million, nine hundred twenty-three thousand, four hundred ninety".