4120377726691 has 2 divisors, whose sum is σ = 4120377726692. Its totient is φ = 4120377726690.

The previous prime is 4120377726677. The next prime is 4120377726721. The reversal of 4120377726691 is 1966277730214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4120377726691 - 2⁴¹ = 1921354471139 is a prime.

It is a super-2 number, since 2×4120377726691² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4120377727691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060188863345 + 2060188863346.

It is an arithmetic number, because the mean of its divisors is an integer number (2060188863346).

Almost surely, 2^{4120377726691} is an apocalyptic number.

4120377726691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4120377726691 is an equidigital number, since it uses as much as digits as its factorization.

4120377726691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The spelling of 4120377726691 in words is "four trillion, one hundred twenty billion, three hundred seventy-seven million, seven hundred twenty-six thousand, six hundred ninety-one".