634503431230345 has 16 divisors (see below), whose sum is σ = 761570603410320. Its totient is φ = 507491761305600.

The previous prime is 634503431230327. The next prime is 634503431230351. The reversal of 634503431230345 is 543032134305436.

It can be written as a sum of positive squares in 8 ways, for example, as 33350070602304 + 601153360628041 = 5774952^2 + 24518429^2 .

It is not a de Polignac number, because 634503431230345 - 2¹⁵ = 634503431197577 is a prime.

It is a super-2 number, since 2×634503431230345² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 634503431230295 and 634503431230304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759520575 + ... + 760355515.

It is an arithmetic number, because the mean of its divisors is an integer number (47598162713145).

Almost surely, 2^{634503431230345} is an apocalyptic number.

It is an amenable number.

634503431230345 is a deficient number, since it is larger than the sum of its proper divisors (127067172179975).

634503431230345 is a wasteful number, since it uses less digits than its factorization.

634503431230345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867996.

The product of its (nonzero) digits is 4665600, while the sum is 46.

The spelling of 634503431230345 in words is "six hundred thirty-four trillion, five hundred three billion, four hundred thirty-one million, two hundred thirty thousand, three hundred forty-five".