1964958855 has 16 divisors (see below), whose sum is σ = 3328871904. Its totient is φ = 986332160.

The previous prime is 1964958851. The next prime is 1964958871. The reversal of 1964958855 is 5588594691.

It is not a de Polignac number, because 1964958855 - 2² = 1964958851 is a prime.

It is a super-2 number, since 2×1964958855² = 7722126603685822050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964958851) 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, 3852606 + ... + 3853115.

It is an arithmetic number, because the mean of its divisors is an integer number (208054494).

Almost surely, 2^1964958855 is an apocalyptic number.

1964958855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1964958855 is a deficient number, since it is larger than the sum of its proper divisors (1363913049).

1964958855 is a wasteful number, since it uses less digits than its factorization.

1964958855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7705746.

The product of its digits is 15552000, while the sum is 60.

The square root of 1964958855 is about 44327.8564223446. The cubic root of 1964958855 is about 1252.5194741216.

The spelling of 1964958855 in words is "one billion, nine hundred sixty-four million, nine hundred fifty-eight thousand, eight hundred fifty-five".