1940527194947 has 4 divisors (see below), whose sum is σ = 2116938758136. Its totient is φ = 1764115631760.

The previous prime is 1940527194923. The next prime is 1940527194971. The reversal of 1940527194947 is 7494917250491.

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

It is an interprime number because it is at equal distance from previous prime (1940527194923) and next prime (1940527194971).

It is a cyclic number.

It is not a de Polignac number, because 1940527194947 - 2³⁰ = 1939453453123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1940527194947.

It is not an unprimeable number, because it can be changed into a prime (1940527194917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88205781578 + ... + 88205781599.

It is an arithmetic number, because the mean of its divisors is an integer number (529234689534).

Almost surely, 2^{1940527194947} is an apocalyptic number.

1940527194947 is a deficient number, since it is larger than the sum of its proper divisors (176411563189).

1940527194947 is a wasteful number, since it uses less digits than its factorization.

1940527194947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176411563188.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 1940527194947 in words is "one trillion, nine hundred forty billion, five hundred twenty-seven million, one hundred ninety-four thousand, nine hundred forty-seven".