1069764078436 has 27 divisors (see below), whose sum is σ = 1877412815257. Its totient is φ = 533364729920.

The previous prime is 1069764078419. The next prime is 1069764078437. The reversal of 1069764078436 is 6348704679601.

The square root of 1069764078436 is 1034294.

It is a perfect power (a square), and thus also a powerful number.

1069764078436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 187667438436 + 882096640000 = 433206^2 + 939200^2 .

It is a super-2 number, since 2×1069764078436² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1069764078437) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1214260716 + ... + 1214261596.

Almost surely, 2^{1069764078436} is an apocalyptic number.

1069764078436 is the 1034294-th square number.

It is an amenable number.

1069764078436 is a deficient number, since it is larger than the sum of its proper divisors (807648736821).

1069764078436 is an frugal number, since it uses more digits than its factorization.

1069764078436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940 (or 1470 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 1069764078436 in words is "one trillion, sixty-nine billion, seven hundred sixty-four million, seventy-eight thousand, four hundred thirty-six".