1907949863 has 2 divisors, whose sum is σ = 1907949864. Its totient is φ = 1907949862.

The previous prime is 1907949787. The next prime is 1907949907. The reversal of 1907949863 is 3689497091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1907949863 - 2¹⁶ = 1907884327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1907949799 and 1907949808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1907909863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953974931 + 953974932.

It is an arithmetic number, because the mean of its divisors is an integer number (953974932).

Almost surely, 2^1907949863 is an apocalyptic number.

1907949863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1907949863 is an equidigital number, since it uses as much as digits as its factorization.

1907949863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 1907949863 is about 43680.0854280300. The cubic root of 1907949863 is about 1240.2873646775.

The spelling of 1907949863 in words is "one billion, nine hundred seven million, nine hundred forty-nine thousand, eight hundred sixty-three".