1971623107962 has 48 divisors (see below), whose sum is σ = 4403495196672. Its totient is φ = 637085697120.

The previous prime is 1971623107933. The next prime is 1971623107973. The reversal of 1971623107962 is 2697013261791.

1971623107962 is a `hidden beast` number, since 1 + 9 + 7 + 1 + 623 + 1 + 0 + 7 + 9 + 6 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1971623107899 and 1971623107908.

It is an unprimeable number.

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, 5281498 + ... + 5642469.

It is an arithmetic number, because the mean of its divisors is an integer number (91739483264).

Almost surely, 2^{1971623107962} is an apocalyptic number.

1971623107962 is an abundant number, since it is smaller than the sum of its proper divisors (2431872088710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1971623107962 is a wasteful number, since it uses less digits than its factorization.

1971623107962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10924283 (or 10924280 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

It can be divided in two parts, 197162 and 3107962, that added together give a square (3305124 = 1818²).

The spelling of 1971623107962 in words is "one trillion, nine hundred seventy-one billion, six hundred twenty-three million, one hundred seven thousand, nine hundred sixty-two".