3780768919 has 2 divisors, whose sum is σ = 3780768920. Its totient is φ = 3780768918.

The previous prime is 3780768857. The next prime is 3780768931. The reversal of 3780768919 is 9198670873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3780768919 - 2¹⁹ = 3780244631 is a prime.

It is a super-2 number, since 2×3780768919² = 28588427237752857122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3780768949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890384459 + 1890384460.

It is an arithmetic number, because the mean of its divisors is an integer number (1890384460).

Almost surely, 2^3780768919 is an apocalyptic number.

3780768919 is a deficient number, since it is larger than the sum of its proper divisors (1).

3780768919 is an equidigital number, since it uses as much as digits as its factorization.

3780768919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The square root of 3780768919 is about 61487.9575120202. The cubic root of 3780768919 is about 1557.8538479278.

The spelling of 3780768919 in words is "three billion, seven hundred eighty million, seven hundred sixty-eight thousand, nine hundred nineteen".