964645459990 has 32 divisors (see below), whose sum is σ = 1740641651424. Its totient is φ = 384907649280.

The previous prime is 964645459957. The next prime is 964645459993. The reversal of 964645459990 is 99954546469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964645459993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15178480 + ... + 15241900.

It is an arithmetic number, because the mean of its divisors is an integer number (54395051607).

Almost surely, 2^964645459990 is an apocalyptic number.

964645459990 is a deficient number, since it is larger than the sum of its proper divisors (775996191434).

964645459990 is a wasteful number, since it uses less digits than its factorization.

964645459990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67152.

The product of its (nonzero) digits is 377913600, while the sum is 70.

The spelling of 964645459990 in words is "nine hundred sixty-four billion, six hundred forty-five million, four hundred fifty-nine thousand, nine hundred ninety".