194302140953 has 4 divisors (see below), whose sum is σ = 194303939280. Its totient is φ = 194300342628.

The previous prime is 194302140919. The next prime is 194302140961. The reversal of 194302140953 is 359041203491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 359041203491 = 397 ⋅904385903.

It is a cyclic number.

It is not a de Polignac number, because 194302140953 - 2¹⁸ = 194301878809 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 194302140953.

It is not an unprimeable number, because it can be changed into a prime (194302140973) 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, 725975 + ... + 956892.

It is an arithmetic number, because the mean of its divisors is an integer number (48575984820).

Almost surely, 2^194302140953 is an apocalyptic number.

It is an amenable number.

194302140953 is a deficient number, since it is larger than the sum of its proper divisors (1798327).

194302140953 is a wasteful number, since it uses less digits than its factorization.

194302140953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798326.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 194302140953 in words is "one hundred ninety-four billion, three hundred two million, one hundred forty thousand, nine hundred fifty-three".