7421247484145 has 16 divisors (see below), whose sum is σ = 9733045302720. Its totient is φ = 5387294404800.

The previous prime is 7421247484129. The next prime is 7421247484171. The reversal of 7421247484145 is 5414847421247.

It is not a de Polignac number, because 7421247484145 - 2⁴ = 7421247484129 is a prime.

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, 124676135 + ... + 124735644.

It is an arithmetic number, because the mean of its divisors is an integer number (608315331420).

Almost surely, 2^{7421247484145} is an apocalyptic number.

It is an amenable number.

7421247484145 is a deficient number, since it is larger than the sum of its proper divisors (2311797818575).

7421247484145 is a wasteful number, since it uses less digits than its factorization.

7421247484145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249412336.

The product of its digits is 8028160, while the sum is 53.

The spelling of 7421247484145 in words is "seven trillion, four hundred twenty-one billion, two hundred forty-seven million, four hundred eighty-four thousand, one hundred forty-five".