3911435459946 has 192 divisors, whose sum is σ = 10652714182656. Its totient is φ = 1051438449600.

The previous prime is 3911435459941. The next prime is 3911435459947. The reversal of 3911435459946 is 6499545341193.

It is a happy number.

3911435459946 is a `hidden beast` number, since 3 + 9 + 1 + 1 + 4 + 35 + 4 + 599 + 4 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (3911435459941) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4363261 + ... + 5182751.

It is an arithmetic number, because the mean of its divisors is an integer number (55482886368).

Almost surely, 2^{3911435459946} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3911435459946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5326357091328).

3911435459946 is an abundant number, since it is smaller than the sum of its proper divisors (6741278722710).

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

3911435459946 is a wasteful number, since it uses less digits than its factorization.

3911435459946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819599 (or 819587 counting only the distinct ones).

The product of its digits is 62985600, while the sum is 63.

The spelling of 3911435459946 in words is "three trillion, nine hundred eleven billion, four hundred thirty-five million, four hundred fifty-nine thousand, nine hundred forty-six".