542153322374777 has 4 divisors (see below), whose sum is σ = 542160519589620. Its totient is φ = 542146125159936.

The previous prime is 542153322374743. The next prime is 542153322374789. The reversal of 542153322374777 is 777473223351245.

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 175843618444816 + 366309703929961 = 13260604^2 + 19139219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542153322374777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542153322314777) 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, 3598494428 + ... + 3598645085.

It is an arithmetic number, because the mean of its divisors is an integer number (135540129897405).

Almost surely, 2^{542153322374777} is an apocalyptic number.

It is an amenable number.

542153322374777 is a deficient number, since it is larger than the sum of its proper divisors (7197214843).

542153322374777 is an equidigital number, since it uses as much as digits as its factorization.

542153322374777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7197214842.

The product of its digits is 207446400, while the sum is 62.

The spelling of 542153322374777 in words is "five hundred forty-two trillion, one hundred fifty-three billion, three hundred twenty-two million, three hundred seventy-four thousand, seven hundred seventy-seven".