10643130162421 has 2 divisors, whose sum is σ = 10643130162422. Its totient is φ = 10643130162420.

The previous prime is 10643130162419. The next prime is 10643130162473. The reversal of 10643130162421 is 12426103134601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7992466139025 + 2650664023396 = 2827095^2 + 1628086^2 .

It is a cyclic number.

It is not a de Polignac number, because 10643130162421 - 2¹ = 10643130162419 is a prime.

It is a super-3 number, since 3×10643130162421³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 10643130162419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10643130162521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321565081210 + 5321565081211.

It is an arithmetic number, because the mean of its divisors is an integer number (5321565081211).

Almost surely, 2^{10643130162421} is an apocalyptic number.

It is an amenable number.

10643130162421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10643130162421 is an equidigital number, since it uses as much as digits as its factorization.

10643130162421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 10643130162421 in words is "ten trillion, six hundred forty-three billion, one hundred thirty million, one hundred sixty-two thousand, four hundred twenty-one".