10643130242146 has 4 divisors (see below), whose sum is σ = 15964695363222. Its totient is φ = 5321565121072.

The previous prime is 10643130242123. The next prime is 10643130242167. The reversal of 10643130242146 is 64124203134601.

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

It can be written as a sum of positive squares in only one way, i.e., 7678380038121 + 2964750204025 = 2770989^2 + 1721845^2 .

It is a super-2 number, since 2×10643130242146² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660782560535 + ... + 2660782560538.

Almost surely, 2^{10643130242146} is an apocalyptic number.

10643130242146 is a deficient number, since it is larger than the sum of its proper divisors (5321565121076).

10643130242146 is an equidigital number, since it uses as much as digits as its factorization.

10643130242146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321565121075.

The product of its (nonzero) digits is 82944, while the sum is 37.

Adding to 10643130242146 its reverse (64124203134601), we get a palindrome (74767333376747).

The spelling of 10643130242146 in words is "ten trillion, six hundred forty-three billion, one hundred thirty million, two hundred forty-two thousand, one hundred forty-six".