420059772361 has 4 divisors (see below), whose sum is σ = 425814015892. Its totient is φ = 414305528832.

The previous prime is 420059772337. The next prime is 420059772413. The reversal of 420059772361 is 163277950024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 291795512761 + 128264259600 = 540181^2 + 358140^2 .

It is a cyclic number.

It is not a de Polignac number, because 420059772361 - 2⁵ = 420059772329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420059772761) 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, 2877121656 + ... + 2877121801.

It is an arithmetic number, because the mean of its divisors is an integer number (106453503973).

Almost surely, 2^420059772361 is an apocalyptic number.

It is an amenable number.

420059772361 is a deficient number, since it is larger than the sum of its proper divisors (5754243531).

420059772361 is an equidigital number, since it uses as much as digits as its factorization.

420059772361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5754243530.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 420059772361 in words is "four hundred twenty billion, fifty-nine million, seven hundred seventy-two thousand, three hundred sixty-one".