634011145727 has 8 divisors (see below), whose sum is σ = 651646360416. Its totient is φ = 616402235232.

The previous prime is 634011145723. The next prime is 634011145769. The reversal of 634011145727 is 727541110436.

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 634011145727 - 2² = 634011145723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634011145723) 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, 6527168 + ... + 6623589.

It is an arithmetic number, because the mean of its divisors is an integer number (81455795052).

Almost surely, 2^634011145727 is an apocalyptic number.

634011145727 is a deficient number, since it is larger than the sum of its proper divisors (17635214689).

634011145727 is a wasteful number, since it uses less digits than its factorization.

634011145727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13152097.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 634011145727 in words is "six hundred thirty-four billion, eleven million, one hundred forty-five thousand, seven hundred twenty-seven".