6194634420 has 192 divisors, whose sum is σ = 19840343040. Its totient is φ = 1430618112.

The previous prime is 6194634401. The next prime is 6194634463. The reversal of 6194634420 is 244364916.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6138876 + ... + 6139884.

It is an arithmetic number, because the mean of its divisors is an integer number (103335120).

Almost surely, 2^6194634420 is an apocalyptic number.

6194634420 is a gapful number since it is divisible by the number (60) 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 6194634420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9920171520).

6194634420 is an abundant number, since it is smaller than the sum of its proper divisors (13645708620).

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

6194634420 is a wasteful number, since it uses less digits than its factorization.

6194634420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 6194634420 is about 78705.9998983559. Note that the first 3 decimals coincide. The cubic root of 6194634420 is about 1836.5604478010.

The spelling of 6194634420 in words is "six billion, one hundred ninety-four million, six hundred thirty-four thousand, four hundred twenty".