401694289467 has 16 divisors (see below), whose sum is σ = 586652919840. Its totient is φ = 243352320512.

The previous prime is 401694289463. The next prime is 401694289489. The reversal of 401694289467 is 764982496104.

It is not a de Polignac number, because 401694289467 - 2² = 401694289463 is a prime.

It is a super-2 number, since 2×401694289467² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401694289467.

It is not an unprimeable number, because it can be changed into a prime (401694289463) 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, 135797808 + ... + 135800765.

It is an arithmetic number, because the mean of its divisors is an integer number (36665807490).

Almost surely, 2^401694289467 is an apocalyptic number.

401694289467 is a deficient number, since it is larger than the sum of its proper divisors (184958630373).

401694289467 is a wasteful number, since it uses less digits than its factorization.

401694289467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271598622.

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 401694289467 in words is "four hundred one billion, six hundred ninety-four million, two hundred eighty-nine thousand, four hundred sixty-seven".