612434550101 has 4 divisors (see below), whose sum is σ = 668110418304. Its totient is φ = 556758681900.

The previous prime is 612434550089. The next prime is 612434550113. The reversal of 612434550101 is 101055434216.

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 an interprime number because it is at equal distance from previous prime (612434550089) and next prime (612434550113).

It is a cyclic number.

It is not a de Polignac number, because 612434550101 - 2³⁸ = 337556643157 is a prime.

It is a super-2 number, since 2×612434550101² (a number of 24 digits) contains 22 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 (612434550181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27837934085 + ... + 27837934106.

It is an arithmetic number, because the mean of its divisors is an integer number (167027604576).

Almost surely, 2^612434550101 is an apocalyptic number.

It is an amenable number.

612434550101 is a deficient number, since it is larger than the sum of its proper divisors (55675868203).

612434550101 is a wasteful number, since it uses less digits than its factorization.

612434550101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55675868202.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 612434550101 its reverse (101055434216), we get a palindrome (713489984317).

The spelling of 612434550101 in words is "six hundred twelve billion, four hundred thirty-four million, five hundred fifty thousand, one hundred one".