3950571345 has 24 divisors (see below), whose sum is σ = 7352901504. Its totient is φ = 1805975136.

The previous prime is 3950571311. The next prime is 3950571353. The reversal of 3950571345 is 5431750593.

It is not a de Polignac number, because 3950571345 - 2¹¹ = 3950569297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3950571297 and 3950571306.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2686729 + ... + 2688198.

It is an arithmetic number, because the mean of its divisors is an integer number (306370896).

Almost surely, 2^3950571345 is an apocalyptic number.

3950571345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3950571345 is a deficient number, since it is larger than the sum of its proper divisors (3402330159).

3950571345 is a wasteful number, since it uses less digits than its factorization.

3950571345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374949 (or 5374942 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 42.

The square root of 3950571345 is about 62853.5706622941. The cubic root of 3950571345 is about 1580.8353411405.

The spelling of 3950571345 in words is "three billion, nine hundred fifty million, five hundred seventy-one thousand, three hundred forty-five".