1648792453 has 8 divisors (see below), whose sum is σ = 2055637440. Its totient is φ = 1284773280.

The previous prime is 1648792417. The next prime is 1648792487. The reversal of 1648792453 is 3542978461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1648792453 - 2⁹ = 1648791941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1648792397 and 1648792406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648792553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10706368 + ... + 10706521.

It is an arithmetic number, because the mean of its divisors is an integer number (256954680).

Almost surely, 2^1648792453 is an apocalyptic number.

It is an amenable number.

1648792453 is a deficient number, since it is larger than the sum of its proper divisors (406844987).

1648792453 is a wasteful number, since it uses less digits than its factorization.

1648792453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21412907.

The product of its digits is 1451520, while the sum is 49.

The square root of 1648792453 is about 40605.3254265989. The cubic root of 1648792453 is about 1181.3774140698.

The spelling of 1648792453 in words is "one billion, six hundred forty-eight million, seven hundred ninety-two thousand, four hundred fifty-three".