1971964673103 has 16 divisors (see below), whose sum is σ = 2673523678176. Its totient is φ = 1292542688640.

The previous prime is 1971964673089. The next prime is 1971964673141. The reversal of 1971964673103 is 3013764691791.

It is not a de Polignac number, because 1971964673103 - 2⁶ = 1971964673039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1971964673803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1854576 + ... + 2717237.

It is an arithmetic number, because the mean of its divisors is an integer number (167095229886).

Almost surely, 2^{1971964673103} is an apocalyptic number.

1971964673103 is a deficient number, since it is larger than the sum of its proper divisors (701559005073).

1971964673103 is a wasteful number, since it uses less digits than its factorization.

1971964673103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574234.

The product of its (nonzero) digits is 5143824, while the sum is 57.

The spelling of 1971964673103 in words is "one trillion, nine hundred seventy-one billion, nine hundred sixty-four million, six hundred seventy-three thousand, one hundred three".