97541072473 has 4 divisors (see below), whose sum is σ = 105044231908. Its totient is φ = 90037913040.

The previous prime is 97541072443. The next prime is 97541072477. The reversal of 97541072473 is 37427014579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37427014579 = 4153 ⋅9012043.

It can be written as a sum of positive squares in 2 ways, for example, as 20541482329 + 76999590144 = 143323^2 + 277488^2 .

It is a cyclic number.

It is not a de Polignac number, because 97541072473 - 2¹⁷ = 97540941401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97541072477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3751579698 + ... + 3751579723.

It is an arithmetic number, because the mean of its divisors is an integer number (26261057977).

Almost surely, 2^97541072473 is an apocalyptic number.

It is an amenable number.

97541072473 is a deficient number, since it is larger than the sum of its proper divisors (7503159435).

97541072473 is a wasteful number, since it uses less digits than its factorization.

97541072473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503159434.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 97541072473 in words is "ninety-seven billion, five hundred forty-one million, seventy-two thousand, four hundred seventy-three".