2107781436472 has 8 divisors (see below), whose sum is σ = 3952090193400. Its totient is φ = 1053890718232.

The previous prime is 2107781436469. The next prime is 2107781436503. The reversal of 2107781436472 is 2746341877012.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131736339772 + ... + 131736339787.

It is an arithmetic number, because the mean of its divisors is an integer number (494011274175).

Almost surely, 2^{2107781436472} is an apocalyptic number.

It is an amenable number.

2107781436472 is a deficient number, since it is larger than the sum of its proper divisors (1844308756928).

2107781436472 is a wasteful number, since it uses less digits than its factorization.

2107781436472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263472679565 (or 263472679561 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 52.

The spelling of 2107781436472 in words is "two trillion, one hundred seven billion, seven hundred eighty-one million, four hundred thirty-six thousand, four hundred seventy-two".