10642656146523 has 4 divisors (see below), whose sum is σ = 14190208195368. Its totient is φ = 7095104097680.

The previous prime is 10642656146489. The next prime is 10642656146531. The reversal of 10642656146523 is 32564165624601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10642656146523 - 2¹⁷ = 10642656015451 is a prime.

It is a super-2 number, since 2×10642656146523² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10642656146533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1773776024418 + ... + 1773776024423.

It is an arithmetic number, because the mean of its divisors is an integer number (3547552048842).

Almost surely, 2^{10642656146523} is an apocalyptic number.

10642656146523 is a deficient number, since it is larger than the sum of its proper divisors (3547552048845).

10642656146523 is an equidigital number, since it uses as much as digits as its factorization.

10642656146523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547552048844.

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 10642656146523 in words is "ten trillion, six hundred forty-two billion, six hundred fifty-six million, one hundred forty-six thousand, five hundred twenty-three".