1912375541 has 2 divisors, whose sum is σ = 1912375542. Its totient is φ = 1912375540.

The previous prime is 1912375513. The next prime is 1912375579. The reversal of 1912375541 is 1455732191.

It is an a-pointer prime, because the next prime (1912375579) can be obtained adding 1912375541 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1726734916 + 185640625 = 41554^2 + 13625^2 .

It is a cyclic number.

It is not a de Polignac number, because 1912375541 - 2³⁰ = 838633717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1912375495 and 1912375504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1912377541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956187770 + 956187771.

It is an arithmetic number, because the mean of its divisors is an integer number (956187771).

Almost surely, 2^1912375541 is an apocalyptic number.

It is an amenable number.

1912375541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912375541 is an equidigital number, since it uses as much as digits as its factorization.

1912375541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 38.

The square root of 1912375541 is about 43730.7162186946. The cubic root of 1912375541 is about 1241.2456137894.

It can be divided in two parts, 191 and 2375541, that added together give a palindrome (2375732).

The spelling of 1912375541 in words is "one billion, nine hundred twelve million, three hundred seventy-five thousand, five hundred forty-one".