534144645631 has 2 divisors, whose sum is σ = 534144645632. Its totient is φ = 534144645630.

The previous prime is 534144645563. The next prime is 534144645649. The reversal of 534144645631 is 136546441435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 534144645631 - 2¹⁷ = 534144514559 is a prime.

It is a super-2 number, since 2×534144645631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534144645031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267072322815 + 267072322816.

It is an arithmetic number, because the mean of its divisors is an integer number (267072322816).

Almost surely, 2^534144645631 is an apocalyptic number.

534144645631 is a deficient number, since it is larger than the sum of its proper divisors (1).

534144645631 is an equidigital number, since it uses as much as digits as its factorization.

534144645631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 46.

The spelling of 534144645631 in words is "five hundred thirty-four billion, one hundred forty-four million, six hundred forty-five thousand, six hundred thirty-one".