2101540935 has 128 divisors (see below), whose sum is σ = 4100253696. Its totient is φ = 908328960.

The previous prime is 2101540919. The next prime is 2101540943. The reversal of 2101540935 is 5390451012.

It is not a de Polignac number, because 2101540935 - 2⁴ = 2101540919 is a prime.

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 in 127 ways as a sum of consecutive naturals, for example, 3278215 + ... + 3278855.

It is an arithmetic number, because the mean of its divisors is an integer number (32033232).

Almost surely, 2^2101540935 is an apocalyptic number.

2101540935 is a deficient number, since it is larger than the sum of its proper divisors (1998712761).

2101540935 is a wasteful number, since it uses less digits than its factorization.

2101540935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 2101540935 is about 45842.5668456730. The cubic root of 2101540935 is about 1280.8923089240.

Adding to 2101540935 its reverse (5390451012), we get a palindrome (7491991947).

The spelling of 2101540935 in words is "two billion, one hundred one million, five hundred forty thousand, nine hundred thirty-five".