91838292010 has 16 divisors (see below), whose sum is σ = 165923461800. Its totient is φ = 36598753216.

The previous prime is 91838292001. The next prime is 91838292079. The reversal of 91838292010 is 1029283819.

It can be written as a sum of positive squares in 4 ways, for example, as 40508405289 + 51329886721 = 201267^2 + 226561^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17067625 + ... + 17073004.

Almost surely, 2^91838292010 is an apocalyptic number.

91838292010 is a deficient number, since it is larger than the sum of its proper divisors (74085169790).

91838292010 is a wasteful number, since it uses less digits than its factorization.

91838292010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34140905.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 91838292010 in words is "ninety-one billion, eight hundred thirty-eight million, two hundred ninety-two thousand, ten".