1975977325443 has 16 divisors (see below), whose sum is σ = 2878069948416. Its totient is φ = 1195928219040.

The previous prime is 1975977325243. The next prime is 1975977325459. The reversal of 1975977325443 is 3445237795791.

It is not a de Polignac number, because 1975977325443 - 2¹² = 1975977321347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1975977325463) by changing a digit.

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, 40820355 + ... + 40868732.

It is an arithmetic number, because the mean of its divisors is an integer number (179879371776).

Almost surely, 2^{1975977325443} is an apocalyptic number.

1975977325443 is a deficient number, since it is larger than the sum of its proper divisors (902092622973).

1975977325443 is a wasteful number, since it uses less digits than its factorization.

1975977325443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81689834.

The product of its digits is 200037600, while the sum is 66.

The spelling of 1975977325443 in words is "one trillion, nine hundred seventy-five billion, nine hundred seventy-seven million, three hundred twenty-five thousand, four hundred forty-three".