693427925289 has 16 divisors (see below), whose sum is σ = 1011163066560. Its totient is φ = 419200752960.

The previous prime is 693427925273. The next prime is 693427925291. The reversal of 693427925289 is 982529724396.

It is not a de Polignac number, because 693427925289 - 2⁴ = 693427925273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (693427925299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26451594 + ... + 26477795.

It is an arithmetic number, because the mean of its divisors is an integer number (63197691660).

Almost surely, 2^693427925289 is an apocalyptic number.

It is an amenable number.

693427925289 is a deficient number, since it is larger than the sum of its proper divisors (317735141271).

693427925289 is a wasteful number, since it uses less digits than its factorization.

693427925289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52929800.

The product of its digits is 117573120, while the sum is 66.

The spelling of 693427925289 in words is "six hundred ninety-three billion, four hundred twenty-seven million, nine hundred twenty-five thousand, two hundred eighty-nine".