1916960453 has 16 divisors (see below), whose sum is σ = 1996348032. Its totient is φ = 1839264000.

The previous prime is 1916960401. The next prime is 1916960459. The reversal of 1916960453 is 3540696191.

It is a cyclic number.

It is not a de Polignac number, because 1916960453 - 2¹² = 1916956357 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 (1916960459) 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, 2011025 + ... + 2011977.

It is an arithmetic number, because the mean of its divisors is an integer number (124771752).

Almost surely, 2^1916960453 is an apocalyptic number.

It is an amenable number.

1916960453 is a deficient number, since it is larger than the sum of its proper divisors (79387579).

1916960453 is an equidigital number, since it uses as much as digits as its factorization.

1916960453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 1916960453 is about 43783.1069363516. The cubic root of 1916960453 is about 1242.2367824145.

The spelling of 1916960453 in words is "one billion, nine hundred sixteen million, nine hundred sixty thousand, four hundred fifty-three".