3549869059464 has 1728 divisors, whose sum is σ = 13671994190400. Its totient is φ = 852875412480.

The previous prime is 3549869059441. The next prime is 3549869059487. The reversal of 3549869059464 is 4649509689453.

3549869059464 is a `hidden beast` number, since 3 + 5 + 498 + 6 + 90 + 5 + 9 + 46 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (3549869059441) and next prime (3549869059487).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 3549869059392 and 3549869059401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 22610630874 + ... + 22610631030.

It is an arithmetic number, because the mean of its divisors is an integer number (7912033675).

Almost surely, 2^{3549869059464} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3549869059464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6835997095200).

3549869059464 is an abundant number, since it is smaller than the sum of its proper divisors (10122125130936).

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

3549869059464 is a wasteful number, since it uses less digits than its factorization.

3549869059464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 1007769600, while the sum is 72.

The spelling of 3549869059464 in words is "three trillion, five hundred forty-nine billion, eight hundred sixty-nine million, fifty-nine thousand, four hundred sixty-four".