2101737542 has 4 divisors (see below), whose sum is σ = 3152606316. Its totient is φ = 1050868770.

The previous prime is 2101737479. The next prime is 2101737563. The reversal of 2101737542 is 2457371012.

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 = 2101737499 and 2101737508.

It is a congruent number.

It is an unprimeable number.

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, 525434384 + ... + 525434387.

It is an arithmetic number, because the mean of its divisors is an integer number (788151579).

Almost surely, 2^2101737542 is an apocalyptic number.

2101737542 is a deficient number, since it is larger than the sum of its proper divisors (1050868774).

2101737542 is a wasteful number, since it uses less digits than its factorization.

2101737542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050868773.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 2101737542 is about 45844.7111671565. The cubic root of 2101737542 is about 1280.9322517642.

The spelling of 2101737542 in words is "two billion, one hundred one million, seven hundred thirty-seven thousand, five hundred forty-two".