97503316481 has 4 divisors (see below), whose sum is σ = 102635070000. Its totient is φ = 92371562964.

The previous prime is 97503316399. The next prime is 97503316487. The reversal of 97503316481 is 18461330579.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18461330579 = 239 ⋅77244061.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97503316481 is a prime.

It is a super-2 number, since 2×97503316481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97503316487) 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, 2565876731 + ... + 2565876768.

It is an arithmetic number, because the mean of its divisors is an integer number (25658767500).

Almost surely, 2^97503316481 is an apocalyptic number.

It is an amenable number.

97503316481 is a deficient number, since it is larger than the sum of its proper divisors (5131753519).

97503316481 is a wasteful number, since it uses less digits than its factorization.

97503316481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131753518.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 97503316481 in words is "ninety-seven billion, five hundred three million, three hundred sixteen thousand, four hundred eighty-one".