97273644299 has 4 divisors (see below), whose sum is σ = 104756232336. Its totient is φ = 89791056264.

The previous prime is 97273644257. The next prime is 97273644301. The reversal of 97273644299 is 99244637279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99244637279 = 40933 ⋅2424563.

It is not a de Polignac number, because 97273644299 - 2¹⁶ = 97273578763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97273344299) 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, 3741293999 + ... + 3741294024.

It is an arithmetic number, because the mean of its divisors is an integer number (26189058084).

Almost surely, 2^97273644299 is an apocalyptic number.

97273644299 is a deficient number, since it is larger than the sum of its proper divisors (7482588037).

97273644299 is a wasteful number, since it uses less digits than its factorization.

97273644299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7482588036.

The product of its digits is 41150592, while the sum is 62.

The spelling of 97273644299 in words is "ninety-seven billion, two hundred seventy-three million, six hundred forty-four thousand, two hundred ninety-nine".