4907407781 has 2 divisors, whose sum is σ = 4907407782. Its totient is φ = 4907407780.

The previous prime is 4907407763. The next prime is 4907407819. The reversal of 4907407781 is 1877047094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3541440100 + 1365967681 = 59510^2 + 36959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4907407781 is a prime.

It is a super-2 number, since 2×4907407781² = 48165302258038687922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4907407741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2453703890 + 2453703891.

It is an arithmetic number, because the mean of its divisors is an integer number (2453703891).

Almost surely, 2^4907407781 is an apocalyptic number.

It is an amenable number.

4907407781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4907407781 is an equidigital number, since it uses as much as digits as its factorization.

4907407781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136, while the sum is 47.

The square root of 4907407781 is about 70052.8927382731. The cubic root of 4907407781 is about 1699.3547471600.

The spelling of 4907407781 in words is "four billion, nine hundred seven million, four hundred seven thousand, seven hundred eighty-one".