69381961397628 has 96 divisors (see below), whose sum is σ = 181086990336000. Its totient is φ = 20496751991040.

The previous prime is 69381961397479. The next prime is 69381961397629. The reversal of 69381961397628 is 82679316918396.

It is a hoax number, since the sum of its digits (78) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69381961397629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30485628 + ... + 32682371.

It is an arithmetic number, because the mean of its divisors is an integer number (1886322816000).

Almost surely, 2^{69381961397628} is an apocalyptic number.

It is an amenable number.

69381961397628 is an abundant number, since it is smaller than the sum of its proper divisors (111705028938372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69381961397628 is a wasteful number, since it uses less digits than its factorization.

69381961397628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63168227 (or 63168225 counting only the distinct ones).

The product of its digits is 1269789696, while the sum is 78.

The spelling of 69381961397628 in words is "sixty-nine trillion, three hundred eighty-one billion, nine hundred sixty-one million, three hundred ninety-seven thousand, six hundred twenty-eight".