634021271347 has 8 divisors (see below), whose sum is σ = 648884516544. Its totient is φ = 619163415528.

The previous prime is 634021271333. The next prime is 634021271363. The reversal of 634021271347 is 743172120436.

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 634021271347 - 2¹⁵ = 634021238579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634021211347) 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 7 ways as a sum of consecutive naturals, for example, 1108813 + ... + 1580350.

It is an arithmetic number, because the mean of its divisors is an integer number (81110564568).

Almost surely, 2^634021271347 is an apocalyptic number.

634021271347 is a deficient number, since it is larger than the sum of its proper divisors (14863245197).

634021271347 is a wasteful number, since it uses less digits than its factorization.

634021271347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694689.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 634021271347 in words is "six hundred thirty-four billion, twenty-one million, two hundred seventy-one thousand, three hundred forty-seven".