97440417453 has 4 divisors (see below), whose sum is σ = 129920556608. Its totient is φ = 64960278300.

The previous prime is 97440417443. The next prime is 97440417457. The reversal of 97440417453 is 35471404479.

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 not a de Polignac number, because 97440417453 - 2⁸ = 97440417197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97440417457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16240069573 + ... + 16240069578.

It is an arithmetic number, because the mean of its divisors is an integer number (32480139152).

Almost surely, 2^97440417453 is an apocalyptic number.

It is an amenable number.

97440417453 is a deficient number, since it is larger than the sum of its proper divisors (32480139155).

97440417453 is a wasteful number, since it uses less digits than its factorization.

97440417453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32480139154.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 97440417453 in words is "ninety-seven billion, four hundred forty million, four hundred seventeen thousand, four hundred fifty-three".