2019968370 has 192 divisors, whose sum is σ = 6234568704. Its totient is φ = 444026880.

The previous prime is 2019968369. The next prime is 2019968371. The reversal of 2019968370 is 738699102.

It is an interprime number because it is at equal distance from previous prime (2019968369) and next prime (2019968371).

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

It is not an unprimeable number, because it can be changed into a prime (2019968371) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5722114 + ... + 5722466.

It is an arithmetic number, because the mean of its divisors is an integer number (32471712).

Almost surely, 2^2019968370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2019968370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3117284352).

2019968370 is an abundant number, since it is smaller than the sum of its proper divisors (4214600334).

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

2019968370 is a wasteful number, since it uses less digits than its factorization.

2019968370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 2019968370 is about 44944.0582279794. The cubic root of 2019968370 is about 1264.1002668585.

The spelling of 2019968370 in words is "two billion, nineteen million, nine hundred sixty-eight thousand, three hundred seventy".