1950433949 has 2 divisors, whose sum is σ = 1950433950. Its totient is φ = 1950433948.

The previous prime is 1950433939. The next prime is 1950433951. The reversal of 1950433949 is 9493340591.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1805400100 + 145033849 = 42490^2 + 12043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1950433949 is a prime.

Together with 1950433951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1950433939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975216974 + 975216975.

It is an arithmetic number, because the mean of its divisors is an integer number (975216975).

Almost surely, 2^1950433949 is an apocalyptic number.

It is an amenable number.

1950433949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1950433949 is an equidigital number, since it uses as much as digits as its factorization.

1950433949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 1950433949 is about 44163.7175631762. The cubic root of 1950433949 is about 1249.4256452537.

The spelling of 1950433949 in words is "one billion, nine hundred fifty million, four hundred thirty-three thousand, nine hundred forty-nine".