542421251354 has 4 divisors (see below), whose sum is σ = 813631877034. Its totient is φ = 271210625676.

The previous prime is 542421251287. The next prime is 542421251363. The reversal of 542421251354 is 453152124245.

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

It can be written as a sum of positive squares in only one way, i.e., 537548513329 + 4872738025 = 733177^2 + 69805^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135605312837 + ... + 135605312840.

Almost surely, 2^542421251354 is an apocalyptic number.

542421251354 is a deficient number, since it is larger than the sum of its proper divisors (271210625680).

542421251354 is a wasteful number, since it uses less digits than its factorization.

542421251354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271210625679.

The product of its digits is 192000, while the sum is 38.

Adding to 542421251354 its reverse (453152124245), we get a palindrome (995573375599).

The spelling of 542421251354 in words is "five hundred forty-two billion, four hundred twenty-one million, two hundred fifty-one thousand, three hundred fifty-four".