9190913641 has 32 divisors (see below), whose sum is σ = 11480268800. Its totient is φ = 7164106560.

The previous prime is 9190913629. The next prime is 9190913651. The reversal of 9190913641 is 1463190919.

It is not a de Polignac number, because 9190913641 - 2¹⁵ = 9190880873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9190913621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4103800 + ... + 4106038.

It is an arithmetic number, because the mean of its divisors is an integer number (358758400).

Almost surely, 2^9190913641 is an apocalyptic number.

9190913641 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

9190913641 is a deficient number, since it is larger than the sum of its proper divisors (2289355159).

9190913641 is a wasteful number, since it uses less digits than its factorization.

9190913641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 9190913641 is about 95869.2528446947. The cubic root of 9190913641 is about 2094.6890469844.

The spelling of 9190913641 in words is "nine billion, one hundred ninety million, nine hundred thirteen thousand, six hundred forty-one".