1950433939 has 2 divisors, whose sum is σ = 1950433940. Its totient is φ = 1950433938.

The previous prime is 1950433897. The next prime is 1950433949. The reversal of 1950433939 is 9393340591.

It is a strong prime.

It is an emirp because it is prime and its reverse (9393340591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1950433939 - 2⁷ = 1950433811 is a prime.

It is a super-4 number, since 4×1950433939⁴ (a number of 38 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (1950433949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975216969 + 975216970.

It is an arithmetic number, because the mean of its divisors is an integer number (975216970).

Almost surely, 2^1950433939 is an apocalyptic number.

1950433939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1950433939 is an equidigital number, since it uses as much as digits as its factorization.

1950433939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393660, while the sum is 46.

The square root of 1950433939 is about 44163.7174499611. The cubic root of 1950433939 is about 1249.4256431184.

The spelling of 1950433939 in words is "one billion, nine hundred fifty million, four hundred thirty-three thousand, nine hundred thirty-nine".