2662196377 has 2 divisors, whose sum is σ = 2662196378. Its totient is φ = 2662196376.

The previous prime is 2662196363. The next prime is 2662196389. The reversal of 2662196377 is 7736912662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2648028681 + 14167696 = 51459^2 + 3764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2662196377 is a prime.

It is a super-2 number, since 2×2662196377² = 14174579099423852258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2662196377.

It is not a weakly prime, because it can be changed into another prime (2662196357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331098188 + 1331098189.

It is an arithmetic number, because the mean of its divisors is an integer number (1331098189).

Almost surely, 2^2662196377 is an apocalyptic number.

It is an amenable number.

2662196377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662196377 is an equidigital number, since it uses as much as digits as its factorization.

2662196377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 49.

The square root of 2662196377 is about 51596.4764010102. The cubic root of 2662196377 is about 1385.9472338695.

The spelling of 2662196377 in words is "two billion, six hundred sixty-two million, one hundred ninety-six thousand, three hundred seventy-seven".