1950979429 has 4 divisors (see below), whose sum is σ = 2229690784. Its totient is φ = 1672268076.

The previous prime is 1950979427. The next prime is 1950979477. The reversal of 1950979429 is 9249790591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9249790591 = 10079 ⋅917729.

It is a cyclic number.

It is not a de Polignac number, because 1950979429 - 2¹ = 1950979427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1950979429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1950979423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139355667 + ... + 139355680.

It is an arithmetic number, because the mean of its divisors is an integer number (557422696).

Almost surely, 2^1950979429 is an apocalyptic number.

It is an amenable number.

1950979429 is a deficient number, since it is larger than the sum of its proper divisors (278711355).

1950979429 is an equidigital number, since it uses as much as digits as its factorization.

1950979429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278711354.

The product of its (nonzero) digits is 1837080, while the sum is 55.

The square root of 1950979429 is about 44169.8927890933. The cubic root of 1950979429 is about 1249.5421104769.

The spelling of 1950979429 in words is "one billion, nine hundred fifty million, nine hundred seventy-nine thousand, four hundred twenty-nine".