1975977325396 has 6 divisors (see below), whose sum is σ = 3457960319450. Its totient is φ = 987988662696.

The previous prime is 1975977325243. The next prime is 1975977325459. The reversal of 1975977325396 is 6935237795791.

It can be written as a sum of positive squares in only one way, i.e., 1540527792400 + 435449532996 = 1241180^2 + 659886^2 .

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 as a sum of consecutive naturals, namely, 246997165671 + ... + 246997165678.

Almost surely, 2^{1975977325396} is an apocalyptic number.

It is an amenable number.

1975977325396 is a deficient number, since it is larger than the sum of its proper divisors (1481982994054).

1975977325396 is a wasteful number, since it uses less digits than its factorization.

1975977325396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493994331353 (or 493994331351 counting only the distinct ones).

The product of its digits is 675126900, while the sum is 73.

The spelling of 1975977325396 in words is "one trillion, nine hundred seventy-five billion, nine hundred seventy-seven million, three hundred twenty-five thousand, three hundred ninety-six".