1453640555463 has 16 divisors (see below), whose sum is σ = 2030146398720. Its totient is φ = 923434623584.

The previous prime is 1453640555443. The next prime is 1453640555489. The reversal of 1453640555463 is 3645550463541.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1453640555463 - 2¹⁴ = 1453640539079 is a prime.

It is a super-2 number, since 2×1453640555463² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453640555443) 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, 40033668 + ... + 40069961.

It is an arithmetic number, because the mean of its divisors is an integer number (126884149920).

Almost surely, 2^{1453640555463} is an apocalyptic number.

1453640555463 is a deficient number, since it is larger than the sum of its proper divisors (576505843257).

1453640555463 is a wasteful number, since it uses less digits than its factorization.

1453640555463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80103918.

The product of its (nonzero) digits is 12960000, while the sum is 51.

The spelling of 1453640555463 in words is "one trillion, four hundred fifty-three billion, six hundred forty million, five hundred fifty-five thousand, four hundred sixty-three".