97398610849 has 4 divisors (see below), whose sum is σ = 97403029636. Its totient is φ = 97394192064.

The previous prime is 97398610783. The next prime is 97398610871. The reversal of 97398610849 is 94801689379.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38262098449 + 59136512400 = 195607^2 + 243180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97398610849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97398619849) 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, 2176164 + ... + 2220469.

It is an arithmetic number, because the mean of its divisors is an integer number (24350757409).

Almost surely, 2^97398610849 is an apocalyptic number.

It is an amenable number.

97398610849 is a deficient number, since it is larger than the sum of its proper divisors (4418787).

97398610849 is a wasteful number, since it uses less digits than its factorization.

97398610849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418786.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The spelling of 97398610849 in words is "ninety-seven billion, three hundred ninety-eight million, six hundred ten thousand, eight hundred forty-nine".