869032114421 has 2 divisors, whose sum is σ = 869032114422. Its totient is φ = 869032114420.

The previous prime is 869032114387. The next prime is 869032114429. The reversal of 869032114421 is 124411230968.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 657901054321 + 211131060100 = 811111^2 + 459490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-869032114421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869032114429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434516057210 + 434516057211.

It is an arithmetic number, because the mean of its divisors is an integer number (434516057211).

Almost surely, 2^869032114421 is an apocalyptic number.

It is an amenable number.

869032114421 is a deficient number, since it is larger than the sum of its proper divisors (1).

869032114421 is an equidigital number, since it uses as much as digits as its factorization.

869032114421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 869032114421 in words is "eight hundred sixty-nine billion, thirty-two million, one hundred fourteen thousand, four hundred twenty-one".