421501140513 has 12 divisors (see below), whose sum is σ = 608844116608. Its totient is φ = 280996543800.

The previous prime is 421501140499. The next prime is 421501140539. The reversal of 421501140513 is 315041105124.

421501140513 is a `hidden beast` number, since 4 + 2 + 1 + 5 + 0 + 1 + 140 + 513 = 666.

It is not a de Polignac number, because 421501140513 - 2¹³ = 421501132321 is a prime.

It is a super-2 number, since 2×421501140513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (421501140553) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 356856 + ... + 985062.

Almost surely, 2^421501140513 is an apocalyptic number.

It is an amenable number.

421501140513 is a deficient number, since it is larger than the sum of its proper divisors (187342976095).

421501140513 is a wasteful number, since it uses less digits than its factorization.

421501140513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702764 (or 702761 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 421501140513 its reverse (315041105124), we get a palindrome (736542245637).

It can be divided in two parts, 4215011 and 40513, that added together give a palindrome (4255524).

The spelling of 421501140513 in words is "four hundred twenty-one billion, five hundred one million, one hundred forty thousand, five hundred thirteen".