1792453649 has 4 divisors (see below), whose sum is σ = 2048518464. Its totient is φ = 1536388836.

The previous prime is 1792453631. The next prime is 1792453699. The reversal of 1792453649 is 9463542971.

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: 9463542971 = 19 ⋅498081209.

It is a cyclic number.

It is not a de Polignac number, because 1792453649 - 2⁸ = 1792453393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1792453597 and 1792453606.

It is not an unprimeable number, because it can be changed into a prime (1792453699) 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, 128032397 + ... + 128032410.

It is an arithmetic number, because the mean of its divisors is an integer number (512129616).

Almost surely, 2^1792453649 is an apocalyptic number.

It is an amenable number.

1792453649 is a deficient number, since it is larger than the sum of its proper divisors (256064815).

1792453649 is an equidigital number, since it uses as much as digits as its factorization.

1792453649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256064814.

The product of its digits is 1632960, while the sum is 50.

The square root of 1792453649 is about 42337.3788631276. The cubic root of 1792453649 is about 1214.7380760511.

The spelling of 1792453649 in words is "one billion, seven hundred ninety-two million, four hundred fifty-three thousand, six hundred forty-nine".