7401044009 has 2 divisors, whose sum is σ = 7401044010. Its totient is φ = 7401044008.

The previous prime is 7401043961. The next prime is 7401044023. The reversal of 7401044009 is 9004401047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6193690000 + 1207354009 = 78700^2 + 34747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7401044009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7401044059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3700522004 + 3700522005.

It is an arithmetic number, because the mean of its divisors is an integer number (3700522005).

Almost surely, 2^7401044009 is an apocalyptic number.

It is an amenable number.

7401044009 is a deficient number, since it is larger than the sum of its proper divisors (1).

7401044009 is an equidigital number, since it uses as much as digits as its factorization.

7401044009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 7401044009 is about 86029.3206354671. The cubic root of 7401044009 is about 1948.7867981953.

The spelling of 7401044009 in words is "seven billion, four hundred one million, forty-four thousand, nine".