4196781377 has 2 divisors, whose sum is σ = 4196781378. Its totient is φ = 4196781376.

The previous prime is 4196781367. The next prime is 4196781397. The reversal of 4196781377 is 7731876914.

4196781377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3897629761 + 299151616 = 62431^2 + 17296^2 .

It is a cyclic number.

It is not a de Polignac number, because 4196781377 - 2¹⁶ = 4196715841 is a prime.

It is a super-2 number, since 2×4196781377² = 35225947852668032258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4196781367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2098390688 + 2098390689.

It is an arithmetic number, because the mean of its divisors is an integer number (2098390689).

Almost surely, 2^4196781377 is an apocalyptic number.

It is an amenable number.

4196781377 is a deficient number, since it is larger than the sum of its proper divisors (1).

4196781377 is an equidigital number, since it uses as much as digits as its factorization.

4196781377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 53.

The square root of 4196781377 is about 64782.5700092239. The cubic root of 4196781377 is about 1613.0163963697.

The spelling of 4196781377 in words is "four billion, one hundred ninety-six million, seven hundred eighty-one thousand, three hundred seventy-seven".