7090644420009 has 6 divisors (see below), whose sum is σ = 10242041940026. Its totient is φ = 4727096280000.

The previous prime is 7090644419959. The next prime is 7090644420011. The reversal of 7090644420009 is 9000244460907.

It can be written as a sum of positive squares in only one way, i.e., 6060104745984 + 1030539674025 = 2461728^2 + 1015155^2 .

It is not a de Polignac number, because 7090644420009 - 2¹² = 7090644415913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7090644420059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 393924689992 + ... + 393924690009.

Almost surely, 2^{7090644420009} is an apocalyptic number.

It is an amenable number.

7090644420009 is a deficient number, since it is larger than the sum of its proper divisors (3151397520017).

7090644420009 is a wasteful number, since it uses less digits than its factorization.

7090644420009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787849380007 (or 787849380004 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 7090644420009 in words is "seven trillion, ninety billion, six hundred forty-four million, four hundred twenty thousand, nine".