949865783 has 2 divisors, whose sum is σ = 949865784. Its totient is φ = 949865782.

The previous prime is 949865717. The next prime is 949865789. The reversal of 949865783 is 387568949.

It is a strong prime.

It is an emirp because it is prime and its reverse (387568949) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 949865783 - 2¹⁰ = 949864759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (949865789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474932891 + 474932892.

It is an arithmetic number, because the mean of its divisors is an integer number (474932892).

Almost surely, 2^949865783 is an apocalyptic number.

949865783 is a deficient number, since it is larger than the sum of its proper divisors (1).

949865783 is an equidigital number, since it uses as much as digits as its factorization.

949865783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 59.

The square root of 949865783 is about 30819.8926506891. The cubic root of 949865783 is about 983.0012749792.

The spelling of 949865783 in words is "nine hundred forty-nine million, eight hundred sixty-five thousand, seven hundred eighty-three".