562742666421 has 16 divisors (see below), whose sum is σ = 810916357440. Its totient is φ = 345070776960.

The previous prime is 562742666351. The next prime is 562742666467. The reversal of 562742666421 is 124666247265.

It is a happy number.

It is not a de Polignac number, because 562742666421 - 2¹⁷ = 562742535349 is a prime.

It is a super-2 number, since 2×562742666421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (562742666491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25663951 + ... + 25685868.

It is an arithmetic number, because the mean of its divisors is an integer number (50682272340).

Almost surely, 2^562742666421 is an apocalyptic number.

It is an amenable number.

562742666421 is a deficient number, since it is larger than the sum of its proper divisors (248173691019).

562742666421 is a wasteful number, since it uses less digits than its factorization.

562742666421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51350116.

The product of its digits is 5806080, while the sum is 51.

The spelling of 562742666421 in words is "five hundred sixty-two billion, seven hundred forty-two million, six hundred sixty-six thousand, four hundred twenty-one".