542034215651 has 4 divisors (see below), whose sum is σ = 542669661072. Its totient is φ = 541398770232.

The previous prime is 542034215641. The next prime is 542034215717. The reversal of 542034215651 is 156512430245.

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

It is a cyclic number.

It is not a de Polignac number, because 542034215651 - 2²² = 542030021347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542034215641) 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, 317721431 + ... + 317723136.

It is an arithmetic number, because the mean of its divisors is an integer number (135667415268).

Almost surely, 2^542034215651 is an apocalyptic number.

542034215651 is a deficient number, since it is larger than the sum of its proper divisors (635445421).

542034215651 is an equidigital number, since it uses as much as digits as its factorization.

542034215651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635445420.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 542034215651 its reverse (156512430245), we get a palindrome (698546645896).

The spelling of 542034215651 in words is "five hundred forty-two billion, thirty-four million, two hundred fifteen thousand, six hundred fifty-one".