3683950945 has 16 divisors (see below), whose sum is σ = 4752426240. Its totient is φ = 2732638464.

The previous prime is 3683950927. The next prime is 3683950967. The reversal of 3683950945 is 5490593863.

It is a cyclic number.

It is not a de Polignac number, because 3683950945 - 2⁹ = 3683950433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3683950892 and 3683950901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408072 + ... + 417001.

It is an arithmetic number, because the mean of its divisors is an integer number (297026640).

Almost surely, 2^3683950945 is an apocalyptic number.

It is an amenable number.

3683950945 is a deficient number, since it is larger than the sum of its proper divisors (1068475295).

3683950945 is a wasteful number, since it uses less digits than its factorization.

3683950945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825144.

The product of its (nonzero) digits is 3499200, while the sum is 52.

The square root of 3683950945 is about 60695.5595163271. The cubic root of 3683950945 is about 1544.4408480623.

The spelling of 3683950945 in words is "three billion, six hundred eighty-three million, nine hundred fifty thousand, nine hundred forty-five".