1949022929 has 4 divisors (see below), whose sum is σ = 2227454784. Its totient is φ = 1670591076.

The previous prime is 1949022913. The next prime is 1949022941. The reversal of 1949022929 is 9292209491.

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.

It is not a de Polignac number, because 1949022929 - 2⁴ = 1949022913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1949022949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139215917 + ... + 139215930.

It is an arithmetic number, because the mean of its divisors is an integer number (556863696).

Almost surely, 2^1949022929 is an apocalyptic number.

It is an amenable number.

1949022929 is a deficient number, since it is larger than the sum of its proper divisors (278431855).

1949022929 is an equidigital number, since it uses as much as digits as its factorization.

1949022929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278431854.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 1949022929 is about 44147.7397949204. The cubic root of 1949022929 is about 1249.1242781523.

The spelling of 1949022929 in words is "one billion, nine hundred forty-nine million, twenty-two thousand, nine hundred twenty-nine".