1936070421668 has 6 divisors (see below), whose sum is σ = 3388123237926. Its totient is φ = 968035210832.

The previous prime is 1936070421643. The next prime is 1936070421671. The reversal of 1936070421668 is 8661240706391.

It can be written as a sum of positive squares in only one way, i.e., 1852761990244 + 83308431424 = 1361162^2 + 288632^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242008802705 + ... + 242008802712.

It is an arithmetic number, because the mean of its divisors is an integer number (564687206321).

Almost surely, 2^{1936070421668} is an apocalyptic number.

It is an amenable number.

1936070421668 is a deficient number, since it is larger than the sum of its proper divisors (1452052816258).

1936070421668 is a wasteful number, since it uses less digits than its factorization.

1936070421668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484017605421 (or 484017605419 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 1936070421668 in words is "one trillion, nine hundred thirty-six billion, seventy million, four hundred twenty-one thousand, six hundred sixty-eight".