694400018294101 has 16 divisors (see below), whose sum is σ = 840283246884096. Its totient is φ = 560187668848896.

The previous prime is 694400018294077. The next prime is 694400018294113. The reversal of 694400018294101 is 101492810004496.

It is a cyclic number.

It is not a de Polignac number, because 694400018294101 - 2⁴⁵ = 659215646205269 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 (694400018294161) 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, 140708335 + ... + 145559731.

It is an arithmetic number, because the mean of its divisors is an integer number (52517702930256).

Almost surely, 2^{694400018294101} is an apocalyptic number.

It is an amenable number.

694400018294101 is a deficient number, since it is larger than the sum of its proper divisors (145883228589995).

694400018294101 is a wasteful number, since it uses less digits than its factorization.

694400018294101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6054228.

The product of its (nonzero) digits is 497664, while the sum is 49.

Adding to 694400018294101 its reverse (101492810004496), we get a palindrome (795892828298597).

The spelling of 694400018294101 in words is "six hundred ninety-four trillion, four hundred billion, eighteen million, two hundred ninety-four thousand, one hundred one".