2447894741 has 2 divisors, whose sum is σ = 2447894742. Its totient is φ = 2447894740.

The previous prime is 2447894737. The next prime is 2447894777. The reversal of 2447894741 is 1474987442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1393528900 + 1054365841 = 37330^2 + 32471^2 .

It is a cyclic number.

It is not a de Polignac number, because 2447894741 - 2² = 2447894737 is a prime.

It is a super-3 number, since 3×2447894741³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2447894741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2447894731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1223947370 + 1223947371.

It is an arithmetic number, because the mean of its divisors is an integer number (1223947371).

Almost surely, 2^2447894741 is an apocalyptic number.

It is an amenable number.

2447894741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2447894741 is an equidigital number, since it uses as much as digits as its factorization.

2447894741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1806336, while the sum is 50.

The square root of 2447894741 is about 49476.2037852542. The cubic root of 2447894741 is about 1347.7135032980.

The spelling of 2447894741 in words is "two billion, four hundred forty-seven million, eight hundred ninety-four thousand, seven hundred forty-one".