3956456011 has 4 divisors (see below), whose sum is σ = 3956651272. Its totient is φ = 3956260752.

The previous prime is 3956455961. The next prime is 3956456029. The reversal of 3956456011 is 1106546593.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1106546593 = 59 ⋅18755027.

It is a cyclic number.

It is not a de Polignac number, because 3956456011 - 2²⁷ = 3822238283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3956456041) 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 3 ways as a sum of consecutive naturals, for example, 63186 + ... + 109111.

It is an arithmetic number, because the mean of its divisors is an integer number (989162818).

Almost surely, 2^3956456011 is an apocalyptic number.

3956456011 is a deficient number, since it is larger than the sum of its proper divisors (195261).

3956456011 is a wasteful number, since it uses less digits than its factorization.

3956456011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195260.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 3956456011 is about 62900.3657461544. The cubic root of 3956456011 is about 1581.6198751550.

The spelling of 3956456011 in words is "three billion, nine hundred fifty-six million, four hundred fifty-six thousand, eleven".