97653689450 has 24 divisors (see below), whose sum is σ = 181659280800. Its totient is φ = 39056439600.

The previous prime is 97653689443. The next prime is 97653689489. The reversal of 97653689450 is 5498635679.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278651 + ... + 522449.

It is an arithmetic number, because the mean of its divisors is an integer number (7569136700).

Almost surely, 2^97653689450 is an apocalyptic number.

97653689450 is a deficient number, since it is larger than the sum of its proper divisors (84005591350).

97653689450 is a wasteful number, since it uses less digits than its factorization.

97653689450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251822 (or 251817 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 97653689450 in words is "ninety-seven billion, six hundred fifty-three million, six hundred eighty-nine thousand, four hundred fifty".