1957793334 has 72 divisors (see below), whose sum is σ = 4623420024. Its totient is φ = 551073600.

The previous prime is 1957793329. The next prime is 1957793371. The reversal of 1957793334 is 4333977591.

It is a happy number.

1957793334 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1481394 + ... + 1482714.

It is an arithmetic number, because the mean of its divisors is an integer number (64214167).

Almost surely, 2^1957793334 is an apocalyptic number.

1957793334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1957793334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2311710012).

1957793334 is an abundant number, since it is smaller than the sum of its proper divisors (2665626690).

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

1957793334 is a wasteful number, since it uses less digits than its factorization.

1957793334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482 (or 1404 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 51.

The square root of 1957793334 is about 44246.9584717413. The cubic root of 1957793334 is about 1250.9951188339.

The spelling of 1957793334 in words is "one billion, nine hundred fifty-seven million, seven hundred ninety-three thousand, three hundred thirty-four".