1992695972402 has 8 divisors (see below), whose sum is σ = 2991165356700. Its totient is φ = 995640853504.

The previous prime is 1992695972369. The next prime is 1992695972461. The reversal of 1992695972402 is 2042795962991.

It can be written as a sum of positive squares in 2 ways, for example, as 1574952210841 + 417743761561 = 1254971^2 + 646331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353562827 + ... + 353568462.

Almost surely, 2^{1992695972402} is an apocalyptic number.

1992695972402 is a deficient number, since it is larger than the sum of its proper divisors (998469384298).

1992695972402 is a wasteful number, since it uses less digits than its factorization.

1992695972402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707132700.

The product of its (nonzero) digits is 44089920, while the sum is 65.

The spelling of 1992695972402 in words is "one trillion, nine hundred ninety-two billion, six hundred ninety-five million, nine hundred seventy-two thousand, four hundred two".