1648658453 has 16 divisors (see below), whose sum is σ = 1883782656. Its totient is φ = 1429374720.

The previous prime is 1648658393. The next prime is 1648658483. The reversal of 1648658453 is 3548568461.

It is a cyclic number.

It is not a de Polignac number, because 1648658453 - 2¹⁶ = 1648592917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648658483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103748 + ... + 118578.

It is an arithmetic number, because the mean of its divisors is an integer number (117736416).

Almost surely, 2^1648658453 is an apocalyptic number.

1648658453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1648658453 is a deficient number, since it is larger than the sum of its proper divisors (235124203).

1648658453 is a wasteful number, since it uses less digits than its factorization.

1648658453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15364.

The product of its digits is 2764800, while the sum is 50.

The square root of 1648658453 is about 40603.6753631983. The cubic root of 1648658453 is about 1181.3454090588.

The spelling of 1648658453 in words is "one billion, six hundred forty-eight million, six hundred fifty-eight thousand, four hundred fifty-three".