10162849421 has 2 divisors, whose sum is σ = 10162849422. Its totient is φ = 10162849420.

The previous prime is 10162849357. The next prime is 10162849439. The reversal of 10162849421 is 12494826101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9516978025 + 645871396 = 97555^2 + 25414^2 .

It is a cyclic number.

It is not a de Polignac number, because 10162849421 - 2⁶ = 10162849357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10162849451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5081424710 + 5081424711.

It is an arithmetic number, because the mean of its divisors is an integer number (5081424711).

Almost surely, 2^10162849421 is an apocalyptic number.

It is an amenable number.

10162849421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10162849421 is an equidigital number, since it uses as much as digits as its factorization.

10162849421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 10162849421 in words is "ten billion, one hundred sixty-two million, eight hundred forty-nine thousand, four hundred twenty-one".