1814461474453 has 16 divisors (see below), whose sum is σ = 1953826040880. Its totient is φ = 1678755225600.

The previous prime is 1814461474447. The next prime is 1814461474459. The reversal of 1814461474453 is 3544741644181.

It is an interprime number because it is at equal distance from previous prime (1814461474447) and next prime (1814461474459).

It can be written as a sum of positive squares in 8 ways, for example, as 199422085489 + 1615039388964 = 446567^2 + 1270842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1814461474453 - 2¹³ = 1814461466261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1814461474453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1814461474459) 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, 1276333 + ... + 2293021.

It is an arithmetic number, because the mean of its divisors is an integer number (122114127555).

Almost surely, 2^{1814461474453} is an apocalyptic number.

It is an amenable number.

1814461474453 is a deficient number, since it is larger than the sum of its proper divisors (139364566427).

1814461474453 is a wasteful number, since it uses less digits than its factorization.

1814461474453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018488.

The product of its digits is 5160960, while the sum is 52.

The spelling of 1814461474453 in words is "one trillion, eight hundred fourteen billion, four hundred sixty-one million, four hundred seventy-four thousand, four hundred fifty-three".