1934635449 has 4 divisors (see below), whose sum is σ = 2579513936. Its totient is φ = 1289756964.

The previous prime is 1934635399. The next prime is 1934635529. The reversal of 1934635449 is 9445364391.

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 1934635449 - 2⁹ = 1934634937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1934635398 and 1934635407.

It is not an unprimeable number, because it can be changed into a prime (1934635249) 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, 322439239 + ... + 322439244.

It is an arithmetic number, because the mean of its divisors is an integer number (644878484).

Almost surely, 2^1934635449 is an apocalyptic number.

It is an amenable number.

1934635449 is a deficient number, since it is larger than the sum of its proper divisors (644878487).

1934635449 is an equidigital number, since it uses as much as digits as its factorization.

1934635449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644878486.

The product of its digits is 1399680, while the sum is 48.

The square root of 1934635449 is about 43984.4910053532. The cubic root of 1934635449 is about 1246.0430497061.

The spelling of 1934635449 in words is "one billion, nine hundred thirty-four million, six hundred thirty-five thousand, four hundred forty-nine".