1995703155 has 12 divisors (see below), whose sum is σ = 3459218880. Its totient is φ = 1064374992.

The previous prime is 1995703153. The next prime is 1995703163. The reversal of 1995703155 is 5513075991.

It is not a de Polignac number, because 1995703155 - 2¹ = 1995703153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 44348959 = 1995703155 / (1 + 9 + 9 + 5 + 7 + 0 + 3 + 1 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1995703155.

It is not an unprimeable number, because it can be changed into a prime (1995703153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22174435 + ... + 22174524.

It is an arithmetic number, because the mean of its divisors is an integer number (288268240).

Almost surely, 2^1995703155 is an apocalyptic number.

1995703155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1995703155 is a deficient number, since it is larger than the sum of its proper divisors (1463515725).

1995703155 is a wasteful number, since it uses less digits than its factorization.

1995703155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44348970 (or 44348967 counting only the distinct ones).

The product of its (nonzero) digits is 212625, while the sum is 45.

The square root of 1995703155 is about 44673.2935320422. The cubic root of 1995703155 is about 1259.0181220517.

The spelling of 1995703155 in words is "one billion, nine hundred ninety-five million, seven hundred three thousand, one hundred fifty-five".