634701540463 has 8 divisors (see below), whose sum is σ = 649602125568. Its totient is φ = 619807322904.

The previous prime is 634701540449. The next prime is 634701540469. The reversal of 634701540463 is 364045107436.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634701540463 is a prime.

It is a super-2 number, since 2×634701540463² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634701540469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389895 + ... + 1789192.

It is an arithmetic number, because the mean of its divisors is an integer number (81200265696).

Almost surely, 2^634701540463 is an apocalyptic number.

634701540463 is a deficient number, since it is larger than the sum of its proper divisors (14900585105).

634701540463 is a wasteful number, since it uses less digits than its factorization.

634701540463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183773.

The product of its (nonzero) digits is 725760, while the sum is 43.

Adding to 634701540463 its reverse (364045107436), we get a palindrome (998746647899).

The spelling of 634701540463 in words is "six hundred thirty-four billion, seven hundred one million, five hundred forty thousand, four hundred sixty-three".