1964071343 has 8 divisors (see below), whose sum is σ = 2115498000. Its totient is φ = 1812693888.

The previous prime is 1964071337. The next prime is 1964071393. The reversal of 1964071343 is 3431704691.

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 1964071343 - 2¹⁴ = 1964054959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1964071297 and 1964071306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964071303) 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 7 ways as a sum of consecutive naturals, for example, 150368 + ... + 162906.

It is an arithmetic number, because the mean of its divisors is an integer number (264437250).

Almost surely, 2^1964071343 is an apocalyptic number.

1964071343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1964071343 is a deficient number, since it is larger than the sum of its proper divisors (151426657).

1964071343 is a wasteful number, since it uses less digits than its factorization.

1964071343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24601.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 1964071343 is about 44317.8445211407. The cubic root of 1964071343 is about 1252.3308707716.

The spelling of 1964071343 in words is "one billion, nine hundred sixty-four million, seventy-one thousand, three hundred forty-three".