1964949301815 has 16 divisors (see below), whose sum is σ = 3144273819648. Its totient is φ = 1047854648736.

The previous prime is 1964949301793. The next prime is 1964949301829. The reversal of 1964949301815 is 5181039494691.

It is not a de Polignac number, because 1964949301815 - 2²⁷ = 1964815084087 is a prime.

It is a super-2 number, since 2×1964949301815² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 7257139 + ... + 7523028.

It is an arithmetic number, because the mean of its divisors is an integer number (196517113728).

Almost surely, 2^{1964949301815} is an apocalyptic number.

1964949301815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1964949301815 is a deficient number, since it is larger than the sum of its proper divisors (1179324517833).

1964949301815 is a wasteful number, since it uses less digits than its factorization.

1964949301815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14789038.

The product of its (nonzero) digits is 8398080, while the sum is 60.

The spelling of 1964949301815 in words is "one trillion, nine hundred sixty-four billion, nine hundred forty-nine million, three hundred one thousand, eight hundred fifteen".