214561685401 has 32 divisors (see below), whose sum is σ = 251053608960. Its totient is φ = 179590328064.

The previous prime is 214561685389. The next prime is 214561685441. The reversal of 214561685401 is 104586165412.

It is not a de Polignac number, because 214561685401 - 2⁹ = 214561684889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214561685441) 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, 24878176 + ... + 24886798.

It is an arithmetic number, because the mean of its divisors is an integer number (7845425280).

Almost surely, 2^214561685401 is an apocalyptic number.

It is an amenable number.

214561685401 is a deficient number, since it is larger than the sum of its proper divisors (36491923559).

214561685401 is a wasteful number, since it uses less digits than its factorization.

214561685401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9205.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 214561685401 in words is "two hundred fourteen billion, five hundred sixty-one million, six hundred eighty-five thousand, four hundred one".