1956848249 has 8 divisors (see below), whose sum is σ = 1982463360. Its totient is φ = 1931254416.

The previous prime is 1956848239. The next prime is 1956848269. The reversal of 1956848249 is 9428486591.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1956848249 is a prime.

It is a super-2 number, since 2×1956848249² = 7658510139228732002, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1956848194 and 1956848203.

It is not an unprimeable number, because it can be changed into a prime (1956848239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274322 + ... + 281364.

It is an arithmetic number, because the mean of its divisors is an integer number (247807920).

Almost surely, 2^1956848249 is an apocalyptic number.

It is an amenable number.

1956848249 is a deficient number, since it is larger than the sum of its proper divisors (25615111).

1956848249 is an equidigital number, since it uses as much as digits as its factorization.

1956848249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10639.

The product of its digits is 4976640, while the sum is 56.

The square root of 1956848249 is about 44236.2775219615. The cubic root of 1956848249 is about 1250.7937889326.

The spelling of 1956848249 in words is "one billion, nine hundred fifty-six million, eight hundred forty-eight thousand, two hundred forty-nine".