7459420665636 has 45 divisors (see below), whose sum is σ = 19500527604481. Its totient is φ = 2486457168048.

The previous prime is 7459420665607. The next prime is 7459420665649. The reversal of 7459420665636 is 6365660249547.

The square root of 7459420665636 is 2731194.

It is a perfect power (a square), and thus also a powerful number.

7459420665636 is a `hidden beast` number, since 7 + 4 + 5 + 9 + 4 + 2 + 0 + 66 + 563 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5690371702500 + 1769048963136 = 2385450^2 + 1330056^2 .

It is a super-2 number, since 2×7459420665636² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 49085626 + ... + 49237358.

Almost surely, 2^{7459420665636} is an apocalyptic number.

7459420665636 is the 2731194-th square number.

It is an amenable number.

7459420665636 is an abundant number, since it is smaller than the sum of its proper divisors (12041106938845).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7459420665636 is an frugal number, since it uses more digits than its factorization.

7459420665636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303482 (or 151738 counting only the distinct ones).

The product of its (nonzero) digits is 195955200, while the sum is 63.

The spelling of 7459420665636 in words is "seven trillion, four hundred fifty-nine billion, four hundred twenty million, six hundred sixty-five thousand, six hundred thirty-six".