3950561011 has 8 divisors (see below), whose sum is σ = 4062033360. Its totient is φ = 3840456672.

The previous prime is 3950560987. The next prime is 3950561033. The reversal of 3950561011 is 1101650593.

3950561011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3950561011 - 2¹⁹ = 3950036723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3950561311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336145 + ... + 347698.

It is an arithmetic number, because the mean of its divisors is an integer number (507754170).

Almost surely, 2^3950561011 is an apocalyptic number.

3950561011 is a deficient number, since it is larger than the sum of its proper divisors (111472349).

3950561011 is a wasteful number, since it uses less digits than its factorization.

3950561011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684005.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 3950561011 is about 62853.4884552958. The cubic root of 3950561011 is about 1580.8339627436.

The spelling of 3950561011 in words is "three billion, nine hundred fifty million, five hundred sixty-one thousand, eleven".