1956343245 has 16 divisors (see below), whose sum is σ = 3150090240. Its totient is φ = 1036736064.

The previous prime is 1956343237. The next prime is 1956343271. The reversal of 1956343245 is 5423436591.

It is not a de Polignac number, because 1956343245 - 2³ = 1956343237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1956343197 and 1956343206.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 413005 + ... + 417714.

It is an arithmetic number, because the mean of its divisors is an integer number (196880640).

Almost surely, 2^1956343245 is an apocalyptic number.

1956343245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1956343245 is a deficient number, since it is larger than the sum of its proper divisors (1193746995).

1956343245 is a wasteful number, since it uses less digits than its factorization.

1956343245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830884.

The product of its digits is 388800, while the sum is 42.

The square root of 1956343245 is about 44230.5691236276. The cubic root of 1956343245 is about 1250.6861821876.

The spelling of 1956343245 in words is "one billion, nine hundred fifty-six million, three hundred forty-three thousand, two hundred forty-five".