420134258051 has 4 divisors (see below), whose sum is σ = 424060746552. Its totient is φ = 416207769552.

The previous prime is 420134258023. The next prime is 420134258059. The reversal of 420134258051 is 150852431024.

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

It is a cyclic number.

It is not a de Polignac number, because 420134258051 - 2¹⁰ = 420134257027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420134258059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963244090 + ... + 1963244303.

It is an arithmetic number, because the mean of its divisors is an integer number (106015186638).

Almost surely, 2^420134258051 is an apocalyptic number.

420134258051 is a deficient number, since it is larger than the sum of its proper divisors (3926488501).

420134258051 is a wasteful number, since it uses less digits than its factorization.

420134258051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926488500.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 420134258051 its reverse (150852431024), we get a palindrome (570986689075).

The spelling of 420134258051 in words is "four hundred twenty billion, one hundred thirty-four million, two hundred fifty-eight thousand, fifty-one".