212074653613 has 2 divisors, whose sum is σ = 212074653614. Its totient is φ = 212074653612.

The previous prime is 212074653577. The next prime is 212074653617. The reversal of 212074653613 is 316356470212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172621968484 + 39452685129 = 415478^2 + 198627^2 .

It is a cyclic number.

It is not a de Polignac number, because 212074653613 - 2²¹ = 212072556461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212074653617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106037326806 + 106037326807.

It is an arithmetic number, because the mean of its divisors is an integer number (106037326807).

Almost surely, 2^212074653613 is an apocalyptic number.

It is an amenable number.

212074653613 is a deficient number, since it is larger than the sum of its proper divisors (1).

212074653613 is an equidigital number, since it uses as much as digits as its factorization.

212074653613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 212074653613 in words is "two hundred twelve billion, seventy-four million, six hundred fifty-three thousand, six hundred thirteen".