1648536453 has 6 divisors (see below), whose sum is σ = 2381219334. Its totient is φ = 1099024296.

The previous prime is 1648536419. The next prime is 1648536469. The reversal of 1648536453 is 3546358461.

1648536453 is a `hidden beast` number, since 1 + 64 + 8 + 536 + 4 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 985834404 + 662702049 = 31398^2 + 25743^2 .

It is not a de Polignac number, because 1648536453 - 2¹⁰ = 1648535429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1648536399 and 1648536408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648536403) 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 5 ways as a sum of consecutive naturals, for example, 91585350 + ... + 91585367.

It is an arithmetic number, because the mean of its divisors is an integer number (396869889).

Almost surely, 2^1648536453 is an apocalyptic number.

It is an amenable number.

1648536453 is a deficient number, since it is larger than the sum of its proper divisors (732682881).

1648536453 is a wasteful number, since it uses less digits than its factorization.

1648536453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183170723 (or 183170720 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 1648536453 is about 40602.1730083502. The cubic root of 1648536453 is about 1181.3162686598.

The spelling of 1648536453 in words is "one billion, six hundred forty-eight million, five hundred thirty-six thousand, four hundred fifty-three".