1009769741 has 2 divisors, whose sum is σ = 1009769742. Its totient is φ = 1009769740.

The previous prime is 1009769707. The next prime is 1009769743. The reversal of 1009769741 is 1479679001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 608608900 + 401160841 = 24670^2 + 20029^2 .

It is an emirp because it is prime and its reverse (1479679001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1009769741 - 2¹⁴ = 1009753357 is a prime.

Together with 1009769743, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1009769692 and 1009769701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009769743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504884870 + 504884871.

It is an arithmetic number, because the mean of its divisors is an integer number (504884871).

Almost surely, 2^1009769741 is an apocalyptic number.

It is an amenable number.

1009769741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009769741 is an equidigital number, since it uses as much as digits as its factorization.

1009769741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 1009769741 is about 31776.8743113605. The cubic root of 1009769741 is about 1003.2460322074.

The spelling of 1009769741 in words is "one billion, nine million, seven hundred sixty-nine thousand, seven hundred forty-one".