694220801137 has 4 divisors (see below), whose sum is σ = 694232293696. Its totient is φ = 694209308580.

The previous prime is 694220801129. The next prime is 694220801213. The reversal of 694220801137 is 731108022496.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 694220801137 - 2³ = 694220801129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 694220801093 and 694220801102.

It is not an unprimeable number, because it can be changed into a prime (694220801107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5655189 + ... + 5776642.

It is an arithmetic number, because the mean of its divisors is an integer number (173558073424).

Almost surely, 2^694220801137 is an apocalyptic number.

It is an amenable number.

694220801137 is a deficient number, since it is larger than the sum of its proper divisors (11492559).

694220801137 is a wasteful number, since it uses less digits than its factorization.

694220801137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11492558.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 694220801137 in words is "six hundred ninety-four billion, two hundred twenty million, eight hundred one thousand, one hundred thirty-seven".