9491421676 has 24 divisors (see below), whose sum is σ = 18306799056. Its totient is φ = 4269803520.

The previous prime is 9491421673. The next prime is 9491421677. The reversal of 9491421676 is 6761241949.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9491421673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1107661 + ... + 1116196.

It is an arithmetic number, because the mean of its divisors is an integer number (762783294).

Almost surely, 2^9491421676 is an apocalyptic number.

It is an amenable number.

9491421676 is a deficient number, since it is larger than the sum of its proper divisors (8815377380).

9491421676 is a wasteful number, since it uses less digits than its factorization.

9491421676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223969 (or 2223967 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 9491421676 is about 97423.9276358739. The cubic root of 9491421676 is about 2117.2741217837.

The spelling of 9491421676 in words is "nine billion, four hundred ninety-one million, four hundred twenty-one thousand, six hundred seventy-six".