420512145440513 has 16 divisors (see below), whose sum is σ = 489223420780416. Its totient is φ = 353978776995840.

The previous prime is 420512145440461. The next prime is 420512145440713. The reversal of 420512145440513 is 315044541215024.

It is a cyclic number.

It is not a de Polignac number, because 420512145440513 - 2²⁶ = 420512078331649 is a prime.

It is a super-4 number, since 4×420512145440513⁴ (a number of 60 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (420512145440713) 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, 765515456 + ... + 766064577.

It is an arithmetic number, because the mean of its divisors is an integer number (30576463798776).

Almost surely, 2^{420512145440513} is an apocalyptic number.

It is an amenable number.

420512145440513 is a deficient number, since it is larger than the sum of its proper divisors (68711275339903).

420512145440513 is a wasteful number, since it uses less digits than its factorization.

420512145440513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531580744.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 420512145440513 its reverse (315044541215024), we get a palindrome (735556686655537).

The spelling of 420512145440513 in words is "four hundred twenty trillion, five hundred twelve billion, one hundred forty-five million, four hundred forty thousand, five hundred thirteen".