1654623433142 has 4 divisors (see below), whose sum is σ = 2481935149716. Its totient is φ = 827311716570.

The previous prime is 1654623433117. The next prime is 1654623433157. The reversal of 1654623433142 is 2413343264561.

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

It is a junction number, because it is equal to n+sod(n) for n = 1654623433093 and 1654623433102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413655858284 + ... + 413655858287.

It is an arithmetic number, because the mean of its divisors is an integer number (620483787429).

Almost surely, 2^{1654623433142} is an apocalyptic number.

1654623433142 is a deficient number, since it is larger than the sum of its proper divisors (827311716574).

1654623433142 is an equidigital number, since it uses as much as digits as its factorization.

1654623433142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827311716573.

The product of its digits is 1244160, while the sum is 44.

The spelling of 1654623433142 in words is "one trillion, six hundred fifty-four billion, six hundred twenty-three million, four hundred thirty-three thousand, one hundred forty-two".