1770490989896 has 16 divisors (see below), whose sum is σ = 3319767710700. Its totient is φ = 885219600384.

The previous prime is 1770490989893. The next prime is 1770490989907. The reversal of 1770490989896 is 6989890940771.

It can be written as a sum of positive squares in 2 ways, for example, as 1752208164100 + 18282825796 = 1323710^2 + 135214^2 .

It is not an unprimeable number, because it can be changed into a prime (1770490989893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2944685 + ... + 3494588.

Almost surely, 2^{1770490989896} is an apocalyptic number.

It is an amenable number.

1770490989896 is a deficient number, since it is larger than the sum of its proper divisors (1549276720804).

1770490989896 is a wasteful number, since it uses less digits than its factorization.

1770490989896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6473648 (or 6473644 counting only the distinct ones).

The product of its (nonzero) digits is 493807104, while the sum is 77.

The spelling of 1770490989896 in words is "one trillion, seven hundred seventy billion, four hundred ninety million, nine hundred eighty-nine thousand, eight hundred ninety-six".