97413446921 has 12 divisors (see below), whose sum is σ = 114682961232. Its totient is φ = 82491245928.

The previous prime is 97413446831. The next prime is 97413446939. The reversal of 97413446921 is 12964431479.

It is a happy number.

It is not a de Polignac number, because 97413446921 - 2¹⁰ = 97413445897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97413446921.

It is not an unprimeable number, because it can be changed into a prime (97413446021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11972015 + ... + 11980148.

It is an arithmetic number, because the mean of its divisors is an integer number (9556913436).

Almost surely, 2^97413446921 is an apocalyptic number.

It is an amenable number.

97413446921 is a deficient number, since it is larger than the sum of its proper divisors (17269514311).

97413446921 is a wasteful number, since it uses less digits than its factorization.

97413446921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23952260 (or 23952253 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The spelling of 97413446921 in words is "ninety-seven billion, four hundred thirteen million, four hundred forty-six thousand, nine hundred twenty-one".