194006770749 has 24 divisors (see below), whose sum is σ = 321797517600. Its totient is φ = 111391446240.

The previous prime is 194006770729. The next prime is 194006770757. The reversal of 194006770749 is 947077600491.

It is not a de Polignac number, because 194006770749 - 2¹³ = 194006762557 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 194006770695 and 194006770704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194006770729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51568234 + ... + 51571995.

It is an arithmetic number, because the mean of its divisors is an integer number (13408229900).

Almost surely, 2^194006770749 is an apocalyptic number.

194006770749 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

194006770749 is a deficient number, since it is larger than the sum of its proper divisors (127790746851).

194006770749 is a wasteful number, since it uses less digits than its factorization.

194006770749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103140265 (or 103140262 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The spelling of 194006770749 in words is "one hundred ninety-four billion, six million, seven hundred seventy thousand, seven hundred forty-nine".