64532441659954 has 16 divisors (see below), whose sum is σ = 98024269017600. Its totient is φ = 31857687879264.

The previous prime is 64532441659913. The next prime is 64532441659979. The reversal of 64532441659954 is 45995614423546.

It is a self number, because there is not a number n which added to its sum of digits gives 64532441659954.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96726487 + ... + 97391365.

It is an arithmetic number, because the mean of its divisors is an integer number (6126516813600).

Almost surely, 2^{64532441659954} is an apocalyptic number.

64532441659954 is a deficient number, since it is larger than the sum of its proper divisors (33491827357646).

64532441659954 is a wasteful number, since it uses less digits than its factorization.

64532441659954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279257.

The product of its digits is 559872000, while the sum is 67.

The spelling of 64532441659954 in words is "sixty-four trillion, five hundred thirty-two billion, four hundred forty-one million, six hundred fifty-nine thousand, nine hundred fifty-four".