1282963345 has 32 divisors (see below), whose sum is σ = 1658891520. Its totient is φ = 950019840.

The previous prime is 1282963343. The next prime is 1282963373. The reversal of 1282963345 is 5433692821.

It is not a de Polignac number, because 1282963345 - 2¹ = 1282963343 is a prime.

It is a super-2 number, since 2×1282963345² = 3291989889227178050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1282963343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 897091 + ... + 898519.

It is an arithmetic number, because the mean of its divisors is an integer number (51840360).

Almost surely, 2^1282963345 is an apocalyptic number.

It is an amenable number.

1282963345 is a deficient number, since it is larger than the sum of its proper divisors (375928175).

1282963345 is a wasteful number, since it uses less digits than its factorization.

1282963345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705.

The product of its digits is 311040, while the sum is 43.

The square root of 1282963345 is about 35818.4777035541. The cubic root of 1282963345 is about 1086.6042921006.

The spelling of 1282963345 in words is "one billion, two hundred eighty-two million, nine hundred sixty-three thousand, three hundred forty-five".