406198001694 has 16 divisors (see below), whose sum is σ = 832210540560. Its totient is φ = 132096911040.

The previous prime is 406198001681. The next prime is 406198001701. The reversal of 406198001694 is 496100891604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825605449 + ... + 825605940.

It is an arithmetic number, because the mean of its divisors is an integer number (52013158785).

Almost surely, 2^406198001694 is an apocalyptic number.

406198001694 is an abundant number, since it is smaller than the sum of its proper divisors (426012538866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406198001694 is a wasteful number, since it uses less digits than its factorization.

406198001694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651211435.

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 406198001694 in words is "four hundred six billion, one hundred ninety-eight million, one thousand, six hundred ninety-four".