2162868214957 has 2 divisors, whose sum is σ = 2162868214958. Its totient is φ = 2162868214956.

The previous prime is 2162868214883. The next prime is 2162868214981. The reversal of 2162868214957 is 7594128682612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2109642956521 + 53225258436 = 1452461^2 + 230706^2 .

It is a cyclic number.

It is not a de Polignac number, because 2162868214957 - 2¹¹ = 2162868212909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2162868214895 and 2162868214904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162868214657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081434107478 + 1081434107479.

It is an arithmetic number, because the mean of its divisors is an integer number (1081434107479).

Almost surely, 2^{2162868214957} is an apocalyptic number.

It is an amenable number.

2162868214957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162868214957 is an equidigital number, since it uses as much as digits as its factorization.

2162868214957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23224320, while the sum is 61.

The spelling of 2162868214957 in words is "two trillion, one hundred sixty-two billion, eight hundred sixty-eight million, two hundred fourteen thousand, nine hundred fifty-seven".