1905006957 has 12 divisors (see below), whose sum is σ = 2954704896. Its totient is φ = 1088575320.

The previous prime is 1905006911. The next prime is 1905006967. The reversal of 1905006957 is 7596005091.

It is not a de Polignac number, because 1905006957 - 2¹⁵ = 1904974189 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1905006967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6479469 + ... + 6479762.

It is an arithmetic number, because the mean of its divisors is an integer number (246225408).

Almost surely, 2^1905006957 is an apocalyptic number.

It is an amenable number.

1905006957 is a deficient number, since it is larger than the sum of its proper divisors (1049697939).

1905006957 is a wasteful number, since it uses less digits than its factorization.

1905006957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12959248 (or 12959241 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 1905006957 is about 43646.3853829845. The cubic root of 1905006957 is about 1239.6493452212.

The spelling of 1905006957 in words is "one billion, nine hundred five million, six thousand, nine hundred fifty-seven".