425442154213 has 4 divisors (see below), whose sum is σ = 447833846560. Its totient is φ = 403050461868.

The previous prime is 425442154211. The next prime is 425442154217. The reversal of 425442154213 is 312451244524.

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 425442154213 - 2¹ = 425442154211 is a prime.

It is a super-3 number, since 3×425442154213³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425442154211) 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, 11195846145 + ... + 11195846182.

It is an arithmetic number, because the mean of its divisors is an integer number (111958461640).

Almost surely, 2^425442154213 is an apocalyptic number.

It is an amenable number.

425442154213 is a deficient number, since it is larger than the sum of its proper divisors (22391692347).

425442154213 is a wasteful number, since it uses less digits than its factorization.

425442154213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22391692346.

The product of its digits is 153600, while the sum is 37.

Adding to 425442154213 its reverse (312451244524), we get a palindrome (737893398737).

The spelling of 425442154213 in words is "four hundred twenty-five billion, four hundred forty-two million, one hundred fifty-four thousand, two hundred thirteen".