1956113339 has 4 divisors (see below), whose sum is σ = 1956726120. Its totient is φ = 1955500560.

The previous prime is 1956113333. The next prime is 1956113377. The reversal of 1956113339 is 9333116591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9333116591 = 12911 ⋅722881.

It is a cyclic number.

It is not a de Polignac number, because 1956113339 - 2⁴ = 1956113323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1956113296 and 1956113305.

It is not an unprimeable number, because it can be changed into a prime (1956113333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301577 + ... + 307994.

It is an arithmetic number, because the mean of its divisors is an integer number (489181530).

Almost surely, 2^1956113339 is an apocalyptic number.

1956113339 is a deficient number, since it is larger than the sum of its proper divisors (612781).

1956113339 is an equidigital number, since it uses as much as digits as its factorization.

1956113339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612780.

The product of its digits is 65610, while the sum is 41.

The square root of 1956113339 is about 44227.9700981178. The cubic root of 1956113339 is about 1250.6371874585.

The spelling of 1956113339 in words is "one billion, nine hundred fifty-six million, one hundred thirteen thousand, three hundred thirty-nine".