7451048009 has 2 divisors, whose sum is σ = 7451048010. Its totient is φ = 7451048008.

The previous prime is 7451047969. The next prime is 7451048021. The reversal of 7451048009 is 9008401547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6220792384 + 1230255625 = 78872^2 + 35075^2 .

It is an emirp because it is prime and its reverse (9008401547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7451048009 - 2²⁴ = 7434270793 is a prime.

It is not a weakly prime, because it can be changed into another prime (7451048309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3725524004 + 3725524005.

It is an arithmetic number, because the mean of its divisors is an integer number (3725524005).

Almost surely, 2^7451048009 is an apocalyptic number.

It is an amenable number.

7451048009 is a deficient number, since it is larger than the sum of its proper divisors (1).

7451048009 is an equidigital number, since it uses as much as digits as its factorization.

7451048009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 7451048009 is about 86319.4532478050. The cubic root of 7451048009 is about 1953.1658422364.

The spelling of 7451048009 in words is "seven billion, four hundred fifty-one million, forty-eight thousand, nine".