1948617541442 has 48 divisors (see below), whose sum is σ = 3463745072256. Its totient is φ = 816703087200.

The previous prime is 1948617541441. The next prime is 1948617541457. The reversal of 1948617541442 is 2441457168491.

It is a happy number.

It is a super-2 number, since 2×1948617541442² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1948617541441) 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 23 ways as a sum of consecutive naturals, for example, 2526053 + ... + 3205959.

It is an arithmetic number, because the mean of its divisors is an integer number (72161355672).

Almost surely, 2^{1948617541442} is an apocalyptic number.

1948617541442 is a deficient number, since it is larger than the sum of its proper divisors (1515127530814).

1948617541442 is a wasteful number, since it uses less digits than its factorization.

1948617541442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680855 (or 680844 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 56.

The spelling of 1948617541442 in words is "one trillion, nine hundred forty-eight billion, six hundred seventeen million, five hundred forty-one thousand, four hundred forty-two".