2065786772674 has 4 divisors (see below), whose sum is σ = 3098680159014. Its totient is φ = 1032893386336.

The previous prime is 2065786772653. The next prime is 2065786772849. The reversal of 2065786772674 is 4762776875602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1376297346649 + 689489426025 = 1173157^2 + 830355^2 .

It is a super-2 number, since 2×2065786772674² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516446693167 + ... + 516446693170.

Almost surely, 2^{2065786772674} is an apocalyptic number.

2065786772674 is a deficient number, since it is larger than the sum of its proper divisors (1032893386340).

2065786772674 is a wasteful number, since it uses less digits than its factorization.

2065786772674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032893386339.

The product of its (nonzero) digits is 331914240, while the sum is 67.

The spelling of 2065786772674 in words is "two trillion, sixty-five billion, seven hundred eighty-six million, seven hundred seventy-two thousand, six hundred seventy-four".