401905213149 has 8 divisors (see below), whose sum is σ = 584589400992. Its totient is φ = 243578917040.

The previous prime is 401905213121. The next prime is 401905213189. The reversal of 401905213149 is 941312509104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401905213149 - 2¹³ = 401905204957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401905213189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6089472894 + ... + 6089472959.

It is an arithmetic number, because the mean of its divisors is an integer number (73073675124).

Almost surely, 2^401905213149 is an apocalyptic number.

It is an amenable number.

401905213149 is a deficient number, since it is larger than the sum of its proper divisors (182684187843).

401905213149 is a wasteful number, since it uses less digits than its factorization.

401905213149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12178945867.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 401905213149 in words is "four hundred one billion, nine hundred five million, two hundred thirteen thousand, one hundred forty-nine".