1010109949 has 2 divisors, whose sum is σ = 1010109950. Its totient is φ = 1010109948.

The previous prime is 1010109941. The next prime is 1010109959. The reversal of 1010109949 is 9499010101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 838971225 + 171138724 = 28965^2 + 13082^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010109949 - 2³ = 1010109941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010109941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505054974 + 505054975.

It is an arithmetic number, because the mean of its divisors is an integer number (505054975).

Almost surely, 2^1010109949 is an apocalyptic number.

It is an amenable number.

1010109949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010109949 is an equidigital number, since it uses as much as digits as its factorization.

1010109949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 1010109949 is about 31782.2269358206. The cubic root of 1010109949 is about 1003.3586895748.

The spelling of 1010109949 in words is "one billion, ten million, one hundred nine thousand, nine hundred forty-nine".