1965827552738 has 16 divisors (see below), whose sum is σ = 3374997521280. Its totient is φ = 841245664896.

The previous prime is 1965827552737. The next prime is 1965827552861. The reversal of 1965827552738 is 8372557285691.

It is not an unprimeable number, because it can be changed into a prime (1965827552737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104311718 + ... + 104330561.

It is an arithmetic number, because the mean of its divisors is an integer number (210937345080).

Almost surely, 2^{1965827552738} is an apocalyptic number.

1965827552738 is a deficient number, since it is larger than the sum of its proper divisors (1409169968542).

1965827552738 is a wasteful number, since it uses less digits than its factorization.

1965827552738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208642961.

The product of its digits is 254016000, while the sum is 68.

The spelling of 1965827552738 in words is "one trillion, nine hundred sixty-five billion, eight hundred twenty-seven million, five hundred fifty-two thousand, seven hundred thirty-eight".