9091413646 has 48 divisors (see below), whose sum is σ = 16816443696. Its totient is φ = 3662824704.

The previous prime is 9091413641. The next prime is 9091413659. The reversal of 9091413646 is 6463141909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9091413641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1684965 + ... + 1690351.

It is an arithmetic number, because the mean of its divisors is an integer number (350342577).

Almost surely, 2^9091413646 is an apocalyptic number.

9091413646 is a deficient number, since it is larger than the sum of its proper divisors (7725030050).

9091413646 is a wasteful number, since it uses less digits than its factorization.

9091413646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6433 (or 6426 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 9091413646 is about 95348.9047970662. The cubic root of 9091413646 is about 2087.1026331308.

The spelling of 9091413646 in words is "nine billion, ninety-one million, four hundred thirteen thousand, six hundred forty-six".