1953585941 has 2 divisors, whose sum is σ = 1953585942. Its totient is φ = 1953585940.

The previous prime is 1953585929. The next prime is 1953585943. The reversal of 1953585941 is 1495853591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1793183716 + 160402225 = 42346^2 + 12665^2 .

It is a cyclic number.

It is not a de Polignac number, because 1953585941 - 2⁶ = 1953585877 is a prime.

Together with 1953585943, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1953585941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1953585943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976792970 + 976792971.

It is an arithmetic number, because the mean of its divisors is an integer number (976792971).

Almost surely, 2^1953585941 is an apocalyptic number.

It is an amenable number.

1953585941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1953585941 is an equidigital number, since it uses as much as digits as its factorization.

1953585941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 50.

The square root of 1953585941 is about 44199.3884686202. The cubic root of 1953585941 is about 1250.0983263453.

The spelling of 1953585941 in words is "one billion, nine hundred fifty-three million, five hundred eighty-five thousand, nine hundred forty-one".