6191749350 has 288 divisors, whose sum is σ = 18874791936. Its totient is φ = 1502323200.

The previous prime is 6191749331. The next prime is 6191749351. The reversal of 6191749350 is 539471916.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 6191749296 and 6191749305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6191749351) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6402567 + ... + 6403533.

It is an arithmetic number, because the mean of its divisors is an integer number (65537472).

Almost surely, 2^6191749350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6191749350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9437395968).

6191749350 is an abundant number, since it is smaller than the sum of its proper divisors (12683042586).

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

6191749350 is a wasteful number, since it uses less digits than its factorization.

6191749350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 6191749350 is about 78687.6696185622. The cubic root of 6191749350 is about 1836.2752855197.

The spelling of 6191749350 in words is "six billion, one hundred ninety-one million, seven hundred forty-nine thousand, three hundred fifty".