97342489821 has 8 divisors (see below), whose sum is σ = 137424691584. Its totient is φ = 61077640640.

The previous prime is 97342489817. The next prime is 97342489823. The reversal of 97342489821 is 12898424379.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97342489821 - 2² = 97342489817 is a prime.

It is a super-2 number, since 2×97342489821² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97342489823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954338085 + ... + 954338186.

It is an arithmetic number, because the mean of its divisors is an integer number (17178086448).

Almost surely, 2^97342489821 is an apocalyptic number.

It is an amenable number.

97342489821 is a deficient number, since it is larger than the sum of its proper divisors (40082201763).

97342489821 is a wasteful number, since it uses less digits than its factorization.

97342489821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908676291.

The product of its digits is 6967296, while the sum is 57.

The spelling of 97342489821 in words is "ninety-seven billion, three hundred forty-two million, four hundred eighty-nine thousand, eight hundred twenty-one".