7421044513 has 2 divisors, whose sum is σ = 7421044514. Its totient is φ = 7421044512.

The previous prime is 7421044511. The next prime is 7421044531. The reversal of 7421044513 is 3154401247.

Together with next prime (7421044531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7369879104 + 51165409 = 85848^2 + 7153^2 .

It is a cyclic number.

It is not a de Polignac number, because 7421044513 - 2¹ = 7421044511 is a prime.

Together with 7421044511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7421044511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710522256 + 3710522257.

It is an arithmetic number, because the mean of its divisors is an integer number (3710522257).

Almost surely, 2^7421044513 is an apocalyptic number.

It is an amenable number.

7421044513 is a deficient number, since it is larger than the sum of its proper divisors (1).

7421044513 is an equidigital number, since it uses as much as digits as its factorization.

7421044513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 7421044513 is about 86145.4845769643. The cubic root of 7421044513 is about 1950.5406796130.

The spelling of 7421044513 in words is "seven billion, four hundred twenty-one million, forty-four thousand, five hundred thirteen".