3894737193102 has 128 divisors (see below), whose sum is σ = 9400474828800. Its totient is φ = 1050881250816.

The previous prime is 3894737193049. The next prime is 3894737193131. The reversal of 3894737193102 is 2013917374983.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 340235143 + ... + 340246589.

It is an arithmetic number, because the mean of its divisors is an integer number (73441209600).

Almost surely, 2^{3894737193102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3894737193102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4700237414400).

3894737193102 is an abundant number, since it is smaller than the sum of its proper divisors (5505737635698).

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

3894737193102 is a wasteful number, since it uses less digits than its factorization.

3894737193102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12790.

The product of its (nonzero) digits is 6858432, while the sum is 57.

The spelling of 3894737193102 in words is "three trillion, eight hundred ninety-four billion, seven hundred thirty-seven million, one hundred ninety-three thousand, one hundred two".