10849612621 has 2 divisors, whose sum is σ = 10849612622. Its totient is φ = 10849612620.

The previous prime is 10849612573. The next prime is 10849612673. The reversal of 10849612621 is 12621694801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7823402500 + 3026210121 = 88450^2 + 55011^2 .

It is a cyclic number.

It is not a de Polignac number, because 10849612621 - 2²⁹ = 10312741709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10849612321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5424806310 + 5424806311.

It is an arithmetic number, because the mean of its divisors is an integer number (5424806311).

Almost surely, 2^10849612621 is an apocalyptic number.

It is an amenable number.

10849612621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10849612621 is an equidigital number, since it uses as much as digits as its factorization.

10849612621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 10849612621 in words is "ten billion, eight hundred forty-nine million, six hundred twelve thousand, six hundred twenty-one".