91000046004 has 36 divisors (see below), whose sum is σ = 247000126464. Its totient is φ = 26000012976.

The previous prime is 91000045993. The next prime is 91000046021. The reversal of 91000046004 is 40064000019.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77380404 + ... + 77381579.

It is an arithmetic number, because the mean of its divisors is an integer number (6861114624).

Almost surely, 2^91000046004 is an apocalyptic number.

It is an amenable number.

91000046004 is an abundant number, since it is smaller than the sum of its proper divisors (156000080460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91000046004 is a wasteful number, since it uses less digits than its factorization.

91000046004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154762004 (or 154761995 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 91000046004 in words is "ninety-one billion, forty-six thousand, four".