3149698346640 has 160 divisors (see below), whose sum is σ = 10867016966400. Its totient is φ = 838521676800.

The previous prime is 3149698346563. The next prime is 3149698346647. The reversal of 3149698346640 is 466438969413.

3149698346640 is a `hidden beast` number, since 3 + 1 + 4 + 96 + 9 + 83 + 466 + 4 + 0 = 666.

3149698346640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3149698346647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85021 + ... + 2511299.

It is an arithmetic number, because the mean of its divisors is an integer number (67918856040).

Almost surely, 2^{3149698346640} is an apocalyptic number.

3149698346640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3149698346640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5433508483200).

3149698346640 is an abundant number, since it is smaller than the sum of its proper divisors (7717318619760).

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

3149698346640 is a wasteful number, since it uses less digits than its factorization.

3149698346640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426902 (or 2426890 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 63.

The spelling of 3149698346640 in words is "three trillion, one hundred forty-nine billion, six hundred ninety-eight million, three hundred forty-six thousand, six hundred forty".