2103544542 has 16 divisors (see below), whose sum is σ = 4589551872. Its totient is φ = 637437720.

The previous prime is 2103544537. The next prime is 2103544559. The reversal of 2103544542 is 2454453012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15935878 + ... + 15936009.

It is an arithmetic number, because the mean of its divisors is an integer number (286846992).

Almost surely, 2^2103544542 is an apocalyptic number.

2103544542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2103544542 is an abundant number, since it is smaller than the sum of its proper divisors (2486007330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103544542 is a wasteful number, since it uses less digits than its factorization.

2103544542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31871903.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2103544542 is about 45864.4147678786. The cubic root of 2103544542 is about 1281.2992467702.

Adding to 2103544542 its reverse (2454453012), we get a palindrome (4557997554).

It can be divided in two parts, 2103 and 544542, that added together give a palindrome (546645).

The spelling of 2103544542 in words is "two billion, one hundred three million, five hundred forty-four thousand, five hundred forty-two".