7421068722945 has 32 divisors (see below), whose sum is σ = 11878827418368. Its totient is φ = 3956197920768.

The previous prime is 7421068722889. The next prime is 7421068722953. The reversal of 7421068722945 is 5492278601247.

It is not a de Polignac number, because 7421068722945 - 2⁹ = 7421068722433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 590044497 + ... + 590057073.

It is an arithmetic number, because the mean of its divisors is an integer number (371213356824).

Almost surely, 2^{7421068722945} is an apocalyptic number.

It is an amenable number.

7421068722945 is a deficient number, since it is larger than the sum of its proper divisors (4457758695423).

7421068722945 is a wasteful number, since it uses less digits than its factorization.

7421068722945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26409.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 7421068722945 in words is "seven trillion, four hundred twenty-one billion, sixty-eight million, seven hundred twenty-two thousand, nine hundred forty-five".