7424126122645 has 4 divisors (see below), whose sum is σ = 8908951347180. Its totient is φ = 5939300898112.

The previous prime is 7424126122591. The next prime is 7424126122667. The reversal of 7424126122645 is 5462216214247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2247381762129 + 5176744360516 = 1499127^2 + 2275246^2 .

It is a cyclic number.

It is not a de Polignac number, because 7424126122645 - 2⁴¹ = 5225102867093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7424126122595 and 7424126122604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742412612260 + ... + 742412612269.

It is an arithmetic number, because the mean of its divisors is an integer number (2227237836795).

Almost surely, 2^{7424126122645} is an apocalyptic number.

It is an amenable number.

7424126122645 is a deficient number, since it is larger than the sum of its proper divisors (1484825224535).

7424126122645 is a wasteful number, since it uses less digits than its factorization.

7424126122645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484825224534.

The product of its digits is 1290240, while the sum is 46.

The spelling of 7424126122645 in words is "seven trillion, four hundred twenty-four billion, one hundred twenty-six million, one hundred twenty-two thousand, six hundred forty-five".