213024414397 has 2 divisors, whose sum is σ = 213024414398. Its totient is φ = 213024414396.

The previous prime is 213024414371. The next prime is 213024414413. The reversal of 213024414397 is 793414420312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142573452921 + 70450961476 = 377589^2 + 265426^2 .

It is a cyclic number.

It is not a de Polignac number, because 213024414397 - 2¹⁵ = 213024381629 is a prime.

It is a super-2 number, since 2×213024414397² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213024414367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106512207198 + 106512207199.

It is an arithmetic number, because the mean of its divisors is an integer number (106512207199).

Almost surely, 2^213024414397 is an apocalyptic number.

It is an amenable number.

213024414397 is a deficient number, since it is larger than the sum of its proper divisors (1).

213024414397 is an equidigital number, since it uses as much as digits as its factorization.

213024414397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 213024414397 in words is "two hundred thirteen billion, twenty-four million, four hundred fourteen thousand, three hundred ninety-seven".