21892131035 has 16 divisors (see below), whose sum is σ = 26438844096. Its totient is φ = 17401602048.

The previous prime is 21892130971. The next prime is 21892131127. The reversal of 21892131035 is 53013129812.

It is a cyclic number.

It is not a de Polignac number, because 21892131035 - 2⁶ = 21892130971 is a prime.

It is a super-2 number, since 2×21892131035² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21892130986 and 21892131004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2996507 + ... + 3003803.

It is an arithmetic number, because the mean of its divisors is an integer number (1652427756).

Almost surely, 2^21892131035 is an apocalyptic number.

21892131035 is a deficient number, since it is larger than the sum of its proper divisors (4546713061).

21892131035 is a wasteful number, since it uses less digits than its factorization.

21892131035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11062.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 21892131035 in words is "twenty-one billion, eight hundred ninety-two million, one hundred thirty-one thousand, thirty-five".