10605689421 has 8 divisors (see below), whose sum is σ = 14372737824. Its totient is φ = 6954550320.

The previous prime is 10605689417. The next prime is 10605689561. The reversal of 10605689421 is 12498650601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10605689421 - 2² = 10605689417 is a prime.

It is a super-2 number, since 2×10605689421² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10605684421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28977111 + ... + 28977476.

It is an arithmetic number, because the mean of its divisors is an integer number (1796592228).

Almost surely, 2^10605689421 is an apocalyptic number.

It is an amenable number.

10605689421 is a deficient number, since it is larger than the sum of its proper divisors (3767048403).

10605689421 is an equidigital number, since it uses as much as digits as its factorization.

10605689421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57954651.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 10605689421 in words is "ten billion, six hundred five million, six hundred eighty-nine thousand, four hundred twenty-one".