1964608965207 has 24 divisors (see below), whose sum is σ = 3413856850560. Its totient is φ = 1063547709840.

The previous prime is 1964608965181. The next prime is 1964608965211. The reversal of 1964608965207 is 7025698064691.

1964608965207 is a `hidden beast` number, since 1 + 96 + 460 + 8 + 9 + 65 + 20 + 7 = 666.

It is not a de Polignac number, because 1964608965207 - 2¹² = 1964608961111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964608965217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 820637469 + ... + 820639862.

It is an arithmetic number, because the mean of its divisors is an integer number (142244035440).

Almost surely, 2^{1964608965207} is an apocalyptic number.

1964608965207 is a deficient number, since it is larger than the sum of its proper divisors (1449247885353).

1964608965207 is a wasteful number, since it uses less digits than its factorization.

1964608965207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641277363 (or 1641277360 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 1964608965207 in words is "one trillion, nine hundred sixty-four billion, six hundred eight million, nine hundred sixty-five thousand, two hundred seven".