3291148870638 has 32 divisors (see below), whose sum is σ = 6613361129376. Its totient is φ = 1091879436288.

The previous prime is 3291148870637. The next prime is 3291148870661. The reversal of 3291148870638 is 8360788411923.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3291148870637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990670 + ... + 2750222.

It is an arithmetic number, because the mean of its divisors is an integer number (206667535293).

Almost surely, 2^{3291148870638} is an apocalyptic number.

3291148870638 is an abundant number, since it is smaller than the sum of its proper divisors (3322212258738).

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

3291148870638 is a wasteful number, since it uses less digits than its factorization.

3291148870638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761028.

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 3291148870638 in words is "three trillion, two hundred ninety-one billion, one hundred forty-eight million, eight hundred seventy thousand, six hundred thirty-eight".