1382764851 has 40 divisors (see below), whose sum is σ = 2284691024. Its totient is φ = 827910720.

The previous prime is 1382764847. The next prime is 1382764861. The reversal of 1382764851 is 1584672831.

It is not a de Polignac number, because 1382764851 - 2² = 1382764847 is a prime.

It is a super-2 number, since 2×1382764851² = 3824077266322104402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1382764797 and 1382764806.

It is not an unprimeable number, because it can be changed into a prime (1382764861) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21216 + ... + 56706.

Almost surely, 2^1382764851 is an apocalyptic number.

1382764851 is a deficient number, since it is larger than the sum of its proper divisors (901926173).

1382764851 is a wasteful number, since it uses less digits than its factorization.

1382764851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35553 (or 35544 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 1382764851 is about 37185.5462646443. The cubic root of 1382764851 is about 1114.0793142432.

The spelling of 1382764851 in words is "one billion, three hundred eighty-two million, seven hundred sixty-four thousand, eight hundred fifty-one".