3950011905 has 32 divisors (see below), whose sum is σ = 7242009600. Its totient is φ = 1800937152.

The previous prime is 3950011861. The next prime is 3950011907. The reversal of 3950011905 is 5091100593.

It is not a de Polignac number, because 3950011905 - 2⁹ = 3950011393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3950011907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9835 + ... + 89424.

It is an arithmetic number, because the mean of its divisors is an integer number (226312800).

Almost surely, 2^3950011905 is an apocalyptic number.

3950011905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3950011905 is a deficient number, since it is larger than the sum of its proper divisors (3291997695).

3950011905 is a wasteful number, since it uses less digits than its factorization.

3950011905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99653.

The product of its (nonzero) digits is 6075, while the sum is 33.

The square root of 3950011905 is about 62849.1201609060. The cubic root of 3950011905 is about 1580.7607169748.

The spelling of 3950011905 in words is "three billion, nine hundred fifty million, eleven thousand, nine hundred five".