213320000961757 has 2 divisors, whose sum is σ = 213320000961758. Its totient is φ = 213320000961756.

The previous prime is 213320000961751. The next prime is 213320000961791. The reversal of 213320000961757 is 757169000023312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212989185034201 + 330815927556 = 14594149^2 + 575166^2 .

It is a cyclic number.

It is not a de Polignac number, because 213320000961757 - 2¹⁵ = 213320000928989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213320000961751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106660000480878 + 106660000480879.

It is an arithmetic number, because the mean of its divisors is an integer number (106660000480879).

Almost surely, 2^{213320000961757} is an apocalyptic number.

It is an amenable number.

213320000961757 is a deficient number, since it is larger than the sum of its proper divisors (1).

213320000961757 is an equidigital number, since it uses as much as digits as its factorization.

213320000961757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 213320000961757 in words is "two hundred thirteen trillion, three hundred twenty billion, nine hundred sixty-one thousand, seven hundred fifty-seven".