1940695593 has 16 divisors (see below), whose sum is σ = 2626886400. Its totient is φ = 1274232960.

The previous prime is 1940695591. The next prime is 1940695597. The reversal of 1940695593 is 3955960491.

It is not a de Polignac number, because 1940695593 - 2¹ = 1940695591 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1940695591) 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, 86923 + ... + 106943.

It is an arithmetic number, because the mean of its divisors is an integer number (164180400).

Almost surely, 2^1940695593 is an apocalyptic number.

It is an amenable number.

1940695593 is a deficient number, since it is larger than the sum of its proper divisors (686190807).

1940695593 is a wasteful number, since it uses less digits than its factorization.

1940695593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20512.

The product of its (nonzero) digits is 1312200, while the sum is 51.

The square root of 1940695593 is about 44053.3266961759. The cubic root of 1940695593 is about 1247.3427483872.

The spelling of 1940695593 in words is "one billion, nine hundred forty million, six hundred ninety-five thousand, five hundred ninety-three".