654134382742 has 4 divisors (see below), whose sum is σ = 981201574116. Its totient is φ = 327067191370.

The previous prime is 654134382719. The next prime is 654134382743. The reversal of 654134382742 is 247283431456.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654134382743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163533595684 + ... + 163533595687.

It is an arithmetic number, because the mean of its divisors is an integer number (245300393529).

Almost surely, 2^654134382742 is an apocalyptic number.

654134382742 is a deficient number, since it is larger than the sum of its proper divisors (327067191374).

654134382742 is a wasteful number, since it uses less digits than its factorization.

654134382742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327067191373.

The product of its digits is 3870720, while the sum is 49.

The spelling of 654134382742 in words is "six hundred fifty-four billion, one hundred thirty-four million, three hundred eighty-two thousand, seven hundred forty-two".