1542538434233 has 4 divisors (see below), whose sum is σ = 1542601747428. Its totient is φ = 1542475121040.

The previous prime is 1542538434179. The next prime is 1542538434263. The reversal of 1542538434233 is 3324348352451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 851092967209 + 691445467024 = 922547^2 + 831532^2 .

It is a cyclic number.

It is not a de Polignac number, because 1542538434233 - 2²² = 1542534239929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1542538434263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31620038 + ... + 31668783.

It is an arithmetic number, because the mean of its divisors is an integer number (385650436857).

Almost surely, 2^{1542538434233} is an apocalyptic number.

It is an amenable number.

1542538434233 is a deficient number, since it is larger than the sum of its proper divisors (63313195).

1542538434233 is an equidigital number, since it uses as much as digits as its factorization.

1542538434233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63313194.

The product of its digits is 4147200, while the sum is 47.

The spelling of 1542538434233 in words is "one trillion, five hundred forty-two billion, five hundred thirty-eight million, four hundred thirty-four thousand, two hundred thirty-three".