694727690019 has 32 divisors (see below), whose sum is σ = 1090142820864. Its totient is φ = 388802618880.

The previous prime is 694727690017. The next prime is 694727690029. The reversal of 694727690019 is 910096727496.

694727690019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 694727690019 - 2¹ = 694727690017 is a prime.

It is a super-2 number, since 2×694727690019² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (694727690017) 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, 11653039 + ... + 11712504.

It is an arithmetic number, because the mean of its divisors is an integer number (34066963152).

Almost surely, 2^694727690019 is an apocalyptic number.

694727690019 is a deficient number, since it is larger than the sum of its proper divisors (395415130845).

694727690019 is a wasteful number, since it uses less digits than its factorization.

694727690019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23365627.

The product of its (nonzero) digits is 10287648, while the sum is 60.

The spelling of 694727690019 in words is "six hundred ninety-four billion, seven hundred twenty-seven million, six hundred ninety thousand, nineteen".