1957075343 has 18 divisors (see below), whose sum is σ = 2106459624. Its totient is φ = 1817909824.

The previous prime is 1957075339. The next prime is 1957075349. The reversal of 1957075343 is 3435707591.

It is not a de Polignac number, because 1957075343 - 2² = 1957075339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1957075294 and 1957075303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957075349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1990430 + ... + 1991412.

Almost surely, 2^1957075343 is an apocalyptic number.

1957075343 is a deficient number, since it is larger than the sum of its proper divisors (149384281).

1957075343 is an frugal number, since it uses more digits than its factorization.

1957075343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 44.

The square root of 1957075343 is about 44238.8442773995. The cubic root of 1957075343 is about 1250.8421723092.

The spelling of 1957075343 in words is "one billion, nine hundred fifty-seven million, seventy-five thousand, three hundred forty-three".