1972071146495 has 32 divisors (see below), whose sum is σ = 2426200627200. Its totient is φ = 1538459080704.

The previous prime is 1972071146489. The next prime is 1972071146509. The reversal of 1972071146495 is 5946411702791.

It is a cyclic number.

It is not a de Polignac number, because 1972071146495 - 2⁸ = 1972071146239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1972071146495.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10503614 + ... + 10689716.

It is an arithmetic number, because the mean of its divisors is an integer number (75818769600).

Almost surely, 2^{1972071146495} is an apocalyptic number.

1972071146495 is a deficient number, since it is larger than the sum of its proper divisors (454129480705).

1972071146495 is a wasteful number, since it uses less digits than its factorization.

1972071146495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186519.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 1972071146495 in words is "one trillion, nine hundred seventy-two billion, seventy-one million, one hundred forty-six thousand, four hundred ninety-five".