97149855073 has 4 divisors (see below), whose sum is σ = 102263005360. Its totient is φ = 92036704788.

The previous prime is 97149855041. The next prime is 97149855113. The reversal of 97149855073 is 37055894179.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97149855073 - 2⁵ = 97149855041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97149854999 and 97149855017.

It is not an unprimeable number, because it can be changed into a prime (97149855013) 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, 2556575115 + ... + 2556575152.

It is an arithmetic number, because the mean of its divisors is an integer number (25565751340).

Almost surely, 2^97149855073 is an apocalyptic number.

It is an amenable number.

97149855073 is a deficient number, since it is larger than the sum of its proper divisors (5113150287).

97149855073 is a wasteful number, since it uses less digits than its factorization.

97149855073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113150286.

The product of its (nonzero) digits is 9525600, while the sum is 58.

The spelling of 97149855073 in words is "ninety-seven billion, one hundred forty-nine million, eight hundred fifty-five thousand, seventy-three".