1957043963 has 8 divisors (see below), whose sum is σ = 2237548032. Its totient is φ = 1676771496.

The previous prime is 1957043911. The next prime is 1957043971. The reversal of 1957043963 is 3693407591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1957043963 - 2⁸ = 1957043707 is a prime.

It is a super-2 number, since 2×1957043963² = 7660042146229490738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1957046963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39395 + ... + 73932.

It is an arithmetic number, because the mean of its divisors is an integer number (279693504).

Almost surely, 2^1957043963 is an apocalyptic number.

1957043963 is a deficient number, since it is larger than the sum of its proper divisors (280504069).

1957043963 is a wasteful number, since it uses less digits than its factorization.

1957043963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115801.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 1957043963 is about 44238.4896102930. The cubic root of 1957043963 is about 1250.8354868849.

The spelling of 1957043963 in words is "one billion, nine hundred fifty-seven million, forty-three thousand, nine hundred sixty-three".