69628029637481 has 8 divisors (see below), whose sum is σ = 79674734045760. Its totient is φ = 59606285987088.

The previous prime is 69628029637459. The next prime is 69628029637489. The reversal of 69628029637481 is 18473692082696.

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 69628029637481 - 2¹⁰ = 69628029636457 is a prime.

It is a super-2 number, since 2×69628029637481² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69628029637489) 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, 6240183491 + ... + 6240194648.

It is an arithmetic number, because the mean of its divisors is an integer number (9959341755720).

Almost surely, 2^{69628029637481} is an apocalyptic number.

It is an amenable number.

69628029637481 is a deficient number, since it is larger than the sum of its proper divisors (10046704408279).

69628029637481 is a wasteful number, since it uses less digits than its factorization.

69628029637481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12480378943.

The product of its (nonzero) digits is 376233984, while the sum is 71.

The spelling of 69628029637481 in words is "sixty-nine trillion, six hundred twenty-eight billion, twenty-nine million, six hundred thirty-seven thousand, four hundred eighty-one".