634424266314505 has 8 divisors (see below), whose sum is σ = 761328108397512. Its totient is φ = 507526753838208.

The previous prime is 634424266314457. The next prime is 634424266314523. The reversal of 634424266314505 is 505413662424436.

It can be written as a sum of positive squares in 4 ways, for example, as 31032598217481 + 603391668097024 = 5570691^2 + 24564032^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 634424266314505 - 2¹¹ = 634424266312457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582181164 + ... + 1582582093.

It is an arithmetic number, because the mean of its divisors is an integer number (95166013549689).

Almost surely, 2^{634424266314505} is an apocalyptic number.

It is an amenable number.

634424266314505 is a deficient number, since it is larger than the sum of its proper divisors (126903842083007).

634424266314505 is a wasteful number, since it uses less digits than its factorization.

634424266314505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164803355.

The product of its (nonzero) digits is 49766400, while the sum is 55.

The spelling of 634424266314505 in words is "six hundred thirty-four trillion, four hundred twenty-four billion, two hundred sixty-six million, three hundred fourteen thousand, five hundred five".