634556613346 has 8 divisors (see below), whose sum is σ = 961259028444. Its totient is φ = 314136937200.

The previous prime is 634556613337. The next prime is 634556613347. The reversal of 634556613346 is 643316655436.

It can be written as a sum of positive squares in 2 ways, for example, as 626885481121 + 7671132225 = 791761^2 + 87585^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×634556613346² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 634556613293 and 634556613302.

It is not an unprimeable number, because it can be changed into a prime (634556613347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1570684485 + ... + 1570684888.

Almost surely, 2^634556613346 is an apocalyptic number.

634556613346 is a deficient number, since it is larger than the sum of its proper divisors (326702415098).

634556613346 is a wasteful number, since it uses less digits than its factorization.

634556613346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141369476.

The product of its digits is 13996800, while the sum is 52.

The spelling of 634556613346 in words is "six hundred thirty-four billion, five hundred fifty-six million, six hundred thirteen thousand, three hundred forty-six".