2100955534 has 32 divisors (see below), whose sum is σ = 3302395776. Its totient is φ = 1001445120.

The previous prime is 2100955501. The next prime is 2100955537. The reversal of 2100955534 is 4355590012.

2100955534 = T₄₇₀₀ + T₄₇₀₁ + ... + T₄₈₈₂.

It is a self number, because there is not a number n which added to its sum of digits gives 2100955534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100955537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1412139 + ... + 1413625.

It is an arithmetic number, because the mean of its divisors is an integer number (103199868).

Almost surely, 2^2100955534 is an apocalyptic number.

2100955534 is a deficient number, since it is larger than the sum of its proper divisors (1201440242).

2100955534 is a wasteful number, since it uses less digits than its factorization.

2100955534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 2100955534 is about 45836.1814945355. The cubic root of 2100955534 is about 1280.7733636204.

The spelling of 2100955534 in words is "two billion, one hundred million, nine hundred fifty-five thousand, five hundred thirty-four".