1942554552531 has 16 divisors (see below), whose sum is σ = 2591076633600. Its totient is φ = 1294534533600.

The previous prime is 1942554552427. The next prime is 1942554552551. The reversal of 1942554552531 is 1352554552491.

It is not a de Polignac number, because 1942554552531 - 2⁹ = 1942554552019 is a prime.

It is a super-2 number, since 2×1942554552531² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1942554552551) 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 in 15 ways as a sum of consecutive naturals, for example, 157630336 + ... + 157642658.

It is an arithmetic number, because the mean of its divisors is an integer number (161942289600).

Almost surely, 2^{1942554552531} is an apocalyptic number.

1942554552531 is a deficient number, since it is larger than the sum of its proper divisors (648522081069).

1942554552531 is a wasteful number, since it uses less digits than its factorization.

1942554552531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28426.

The product of its digits is 5400000, while the sum is 51.

The spelling of 1942554552531 in words is "one trillion, nine hundred forty-two billion, five hundred fifty-four million, five hundred fifty-two thousand, five hundred thirty-one".