2074641691 has 2 divisors, whose sum is σ = 2074641692. Its totient is φ = 2074641690.

The previous prime is 2074641671. The next prime is 2074641739. The reversal of 2074641691 is 1961464702.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2074641691 is a prime.

It is a super-3 number, since 3×2074641691³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2074641601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1037320845 + 1037320846.

It is an arithmetic number, because the mean of its divisors is an integer number (1037320846).

Almost surely, 2^2074641691 is an apocalyptic number.

2074641691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2074641691 is an equidigital number, since it uses as much as digits as its factorization.

2074641691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2074641691 is about 45548.2347736990. The cubic root of 2074641691 is about 1275.4037815830.

The spelling of 2074641691 in words is "two billion, seventy-four million, six hundred forty-one thousand, six hundred ninety-one".