3629078505 has 32 divisors (see below), whose sum is σ = 6947982720. Its totient is φ = 1786622400.

The previous prime is 3629078491. The next prime is 3629078513. The reversal of 3629078505 is 5058709263.

It is a happy number.

It is not a de Polignac number, because 3629078505 - 2¹¹ = 3629076457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1032171 + ... + 1035680.

It is an arithmetic number, because the mean of its divisors is an integer number (217124460).

Almost surely, 2^3629078505 is an apocalyptic number.

It is an amenable number.

3629078505 is a deficient number, since it is larger than the sum of its proper divisors (3318904215).

3629078505 is a wasteful number, since it uses less digits than its factorization.

3629078505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067878 (or 2067872 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 3629078505 is about 60241.8335129335. The cubic root of 3629078505 is about 1536.7343099974.

The spelling of 3629078505 in words is "three billion, six hundred twenty-nine million, seventy-eight thousand, five hundred five".