420113263461 has 4 divisors (see below), whose sum is σ = 560151017952. Its totient is φ = 280075508972.

The previous prime is 420113263447. The next prime is 420113263501. The reversal of 420113263461 is 164362311024.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420113263461 - 2²⁹ = 419576392549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420113261461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70018877241 + ... + 70018877246.

It is an arithmetic number, because the mean of its divisors is an integer number (140037754488).

Almost surely, 2^420113263461 is an apocalyptic number.

It is an amenable number.

420113263461 is a deficient number, since it is larger than the sum of its proper divisors (140037754491).

420113263461 is a wasteful number, since it uses less digits than its factorization.

420113263461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140037754490.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 420113263461 its reverse (164362311024), we get a palindrome (584475574485).

The spelling of 420113263461 in words is "four hundred twenty billion, one hundred thirteen million, two hundred sixty-three thousand, four hundred sixty-one".