1534426543 has 8 divisors (see below), whose sum is σ = 1662239600. Its totient is φ = 1416391704.

The previous prime is 1534426541. The next prime is 1534426589. The reversal of 1534426543 is 3456244351.

It is not a de Polignac number, because 1534426543 - 2¹ = 1534426541 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 (1534426541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347013 + ... + 351406.

It is an arithmetic number, because the mean of its divisors is an integer number (207779950).

Almost surely, 2^1534426543 is an apocalyptic number.

1534426543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1534426543 is a deficient number, since it is larger than the sum of its proper divisors (127813057).

1534426543 is an frugal number, since it uses more digits than its factorization.

1534426543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698458 (or 698432 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

The square root of 1534426543 is about 39171.7569557456. The cubic root of 1534426543 is about 1153.4055428763.

The spelling of 1534426543 in words is "one billion, five hundred thirty-four million, four hundred twenty-six thousand, five hundred forty-three".