3945159263 has 4 divisors (see below), whose sum is σ = 3945516408. Its totient is φ = 3944802120.

The previous prime is 3945159223. The next prime is 3945159269. The reversal of 3945159263 is 3629515493.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3945159263 - 2⁶ = 3945159199 is a prime.

It is a super-2 number, since 2×3945159263² = 31128563220869406338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945159269) 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, 161456 + ... + 184277.

It is an arithmetic number, because the mean of its divisors is an integer number (986379102).

Almost surely, 2^3945159263 is an apocalyptic number.

3945159263 is a deficient number, since it is larger than the sum of its proper divisors (357145).

3945159263 is a wasteful number, since it uses less digits than its factorization.

3945159263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357144.

The product of its digits is 874800, while the sum is 47.

The square root of 3945159263 is about 62810.5028080495. The cubic root of 3945159263 is about 1580.1131232096.

The spelling of 3945159263 in words is "three billion, nine hundred forty-five million, one hundred fifty-nine thousand, two hundred sixty-three".