4542031361 has 4 divisors (see below), whose sum is σ = 5190892992. Its totient is φ = 3893169732.

The previous prime is 4542031357. The next prime is 4542031363. The reversal of 4542031361 is 1631302454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1631302454 = 2 ⋅815651227.

It is a cyclic number.

It is not a de Polignac number, because 4542031361 - 2² = 4542031357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4542031363) 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, 324430805 + ... + 324430818.

It is an arithmetic number, because the mean of its divisors is an integer number (1297723248).

Almost surely, 2^4542031361 is an apocalyptic number.

It is an amenable number.

4542031361 is a deficient number, since it is larger than the sum of its proper divisors (648861631).

4542031361 is an equidigital number, since it uses as much as digits as its factorization.

4542031361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648861630.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 4542031361 is about 67394.5944494067. The cubic root of 4542031361 is about 1656.0878699329.

The spelling of 4542031361 in words is "four billion, five hundred forty-two million, thirty-one thousand, three hundred sixty-one".