405689937141 has 8 divisors (see below), whose sum is σ = 540983046240. Its totient is φ = 270428393072.

The previous prime is 405689937131. The next prime is 405689937179. The reversal of 405689937141 is 141739986504.

It is a happy number.

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 405689937141 - 2¹⁰ = 405689936117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405689937131) 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, 7861251 + ... + 7912688.

It is an arithmetic number, because the mean of its divisors is an integer number (67622880780).

Almost surely, 2^405689937141 is an apocalyptic number.

It is an amenable number.

405689937141 is a deficient number, since it is larger than the sum of its proper divisors (135293109099).

405689937141 is a wasteful number, since it uses less digits than its factorization.

405689937141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15782515.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 405689937141 in words is "four hundred five billion, six hundred eighty-nine million, nine hundred thirty-seven thousand, one hundred forty-one".