3280467945 has 16 divisors (see below), whose sum is σ = 5249831040. Its totient is φ = 1749222144.

The previous prime is 3280467937. The next prime is 3280467947. The reversal of 3280467945 is 5497640823.

It is not a de Polignac number, because 3280467945 - 2³ = 3280467937 is a prime.

It is a super-2 number, since 2×3280467945² = 21522939876345046050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3280467894 and 3280467903.

It is not an unprimeable number, because it can be changed into a prime (3280467947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63121 + ... + 102689.

It is an arithmetic number, because the mean of its divisors is an integer number (328114440).

Almost surely, 2^3280467945 is an apocalyptic number.

It is an amenable number.

3280467945 is a deficient number, since it is larger than the sum of its proper divisors (1969363095).

3280467945 is a wasteful number, since it uses less digits than its factorization.

3280467945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45104.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 3280467945 is about 57275.3694444654. The cubic root of 3280467945 is about 1485.8624223308.

The spelling of 3280467945 in words is "three billion, two hundred eighty million, four hundred sixty-seven thousand, nine hundred forty-five".