3955172803 has 2 divisors, whose sum is σ = 3955172804. Its totient is φ = 3955172802.

The previous prime is 3955172783. The next prime is 3955172821. The reversal of 3955172803 is 3082715593.

It is a strong prime.

It is an emirp because it is prime and its reverse (3082715593) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3955172803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3955172803.

It is not a weakly prime, because it can be changed into another prime (3955175803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1977586401 + 1977586402.

It is an arithmetic number, because the mean of its divisors is an integer number (1977586402).

Almost surely, 2^3955172803 is an apocalyptic number.

3955172803 is a deficient number, since it is larger than the sum of its proper divisors (1).

3955172803 is an equidigital number, since it uses as much as digits as its factorization.

3955172803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 3955172803 is about 62890.1645966999. The cubic root of 3955172803 is about 1581.4488663256.

The spelling of 3955172803 in words is "three billion, nine hundred fifty-five million, one hundred seventy-two thousand, eight hundred three".