1905951053 has 2 divisors, whose sum is σ = 1905951054. Its totient is φ = 1905951052.

The previous prime is 1905951041. The next prime is 1905951071. The reversal of 1905951053 is 3501595091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1139602564 + 766348489 = 33758^2 + 27683^2 .

It is an emirp because it is prime and its reverse (3501595091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1905951053 - 2⁸ = 1905950797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1905950998 and 1905951016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1905951023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 952975526 + 952975527.

It is an arithmetic number, because the mean of its divisors is an integer number (952975527).

Almost surely, 2^1905951053 is an apocalyptic number.

It is an amenable number.

1905951053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1905951053 is an equidigital number, since it uses as much as digits as its factorization.

1905951053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30375, while the sum is 38.

The square root of 1905951053 is about 43657.1993261134. The cubic root of 1905951053 is about 1239.8540959530.

The spelling of 1905951053 in words is "one billion, nine hundred five million, nine hundred fifty-one thousand, fifty-three".