1335780113669 has 8 divisors (see below), whose sum is σ = 1336243650552. Its totient is φ = 1335316669120.

The previous prime is 1335780113653. The next prime is 1335780113729. The reversal of 1335780113669 is 9663110875331.

It can be written as a sum of positive squares in 4 ways, for example, as 31947272644 + 1303832841025 = 178738^2 + 1141855^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1335780113669 - 2⁴ = 1335780113653 is a prime.

It is a super-2 number, since 2×1335780113669² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1335780113669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1335780113869) 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, 39818027 + ... + 39851559.

It is an arithmetic number, because the mean of its divisors is an integer number (167030456319).

Almost surely, 2^{1335780113669} is an apocalyptic number.

It is an amenable number.

1335780113669 is a deficient number, since it is larger than the sum of its proper divisors (463536883).

1335780113669 is an equidigital number, since it uses as much as digits as its factorization.

1335780113669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46167.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 1335780113669 in words is "one trillion, three hundred thirty-five billion, seven hundred eighty million, one hundred thirteen thousand, six hundred sixty-nine".