1951230193 has 16 divisors (see below), whose sum is σ = 2144255616. Its totient is φ = 1760855040.

The previous prime is 1951230191. The next prime is 1951230227. The reversal of 1951230193 is 3910321591.

It is a cyclic number.

It is not a de Polignac number, because 1951230193 - 2¹ = 1951230191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1951230191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1576771 + ... + 1578007.

It is an arithmetic number, because the mean of its divisors is an integer number (134015976).

Almost surely, 2^1951230193 is an apocalyptic number.

It is an amenable number.

1951230193 is a deficient number, since it is larger than the sum of its proper divisors (193025423).

1951230193 is a wasteful number, since it uses less digits than its factorization.

1951230193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 1951230193 is about 44172.7313282754. The cubic root of 1951230193 is about 1249.5956437176.

The spelling of 1951230193 in words is "one billion, nine hundred fifty-one million, two hundred thirty thousand, one hundred ninety-three".