3850776989 has 2 divisors, whose sum is σ = 3850776990. Its totient is φ = 3850776988.

The previous prime is 3850776959. The next prime is 3850777039. The reversal of 3850776989 is 9896770583.

3850776989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2342076025 + 1508700964 = 48395^2 + 38842^2 .

It is a cyclic number.

It is not a de Polignac number, because 3850776989 - 2⁸ = 3850776733 is a prime.

It is a super-2 number, since 2×3850776989² = 29656966838023812242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3850776959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1925388494 + 1925388495.

It is an arithmetic number, because the mean of its divisors is an integer number (1925388495).

Almost surely, 2^3850776989 is an apocalyptic number.

It is an amenable number.

3850776989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3850776989 is an equidigital number, since it uses as much as digits as its factorization.

3850776989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The square root of 3850776989 is about 62054.6290698768. The cubic root of 3850776989 is about 1567.4106355517.

The spelling of 3850776989 in words is "three billion, eight hundred fifty million, seven hundred seventy-six thousand, nine hundred eighty-nine".