21874023350535 has 32 divisors (see below), whose sum is σ = 35275801397760. Its totient is φ = 11573742627200.

The previous prime is 21874023350507. The next prime is 21874023350579. The reversal of 21874023350535 is 53505332047812.

It is not a de Polignac number, because 21874023350535 - 2¹³ = 21874023342343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5192686 + ... + 8409044.

It is an arithmetic number, because the mean of its divisors is an integer number (1102368793680).

Almost surely, 2^{21874023350535} is an apocalyptic number.

21874023350535 is a deficient number, since it is larger than the sum of its proper divisors (13401778047225).

21874023350535 is a wasteful number, since it uses less digits than its factorization.

21874023350535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219959.

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 21874023350535 in words is "twenty-one trillion, eight hundred seventy-four billion, twenty-three million, three hundred fifty thousand, five hundred thirty-five".