7427424218045 has 16 divisors (see below), whose sum is σ = 9832627636272. Its totient is φ = 5351089866240.

The previous prime is 7427424217999. The next prime is 7427424218069. The reversal of 7427424218045 is 5408124247247.

It can be written as a sum of positive squares in 8 ways, for example, as 1442213650084 + 5985210567961 = 1200922^2 + 2446469^2 .

It is not a de Polignac number, because 7427424218045 - 2¹⁶ = 7427424152509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7427424217984 and 7427424218002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1393510322 + ... + 1393515651.

It is an arithmetic number, because the mean of its divisors is an integer number (614539227267).

Almost surely, 2^{7427424218045} is an apocalyptic number.

It is an amenable number.

7427424218045 is a deficient number, since it is larger than the sum of its proper divisors (2405203418227).

7427424218045 is a wasteful number, since it uses less digits than its factorization.

7427424218045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787026032.

The product of its (nonzero) digits is 4014080, while the sum is 50.

The spelling of 7427424218045 in words is "seven trillion, four hundred twenty-seven billion, four hundred twenty-four million, two hundred eighteen thousand, forty-five".