213461321747 has 2 divisors, whose sum is σ = 213461321748. Its totient is φ = 213461321746.

The previous prime is 213461321737. The next prime is 213461321783. The reversal of 213461321747 is 747123164312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213461321747 - 2⁶ = 213461321683 is a prime.

It is not a weakly prime, because it can be changed into another prime (213461321737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106730660873 + 106730660874.

It is an arithmetic number, because the mean of its divisors is an integer number (106730660874).

Almost surely, 2^213461321747 is an apocalyptic number.

213461321747 is a deficient number, since it is larger than the sum of its proper divisors (1).

213461321747 is an equidigital number, since it uses as much as digits as its factorization.

213461321747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 41.

The spelling of 213461321747 in words is "two hundred thirteen billion, four hundred sixty-one million, three hundred twenty-one thousand, seven hundred forty-seven".