1946061491247 has 48 divisors (see below), whose sum is σ = 3057166494720. Its totient is φ = 1188355536000.

The previous prime is 1946061491207. The next prime is 1946061491251. The reversal of 1946061491247 is 7421941606491.

It is a happy number.

1946061491247 is a `hidden beast` number, since 1 + 9 + 4 + 6 + 0 + 614 + 9 + 12 + 4 + 7 = 666.

It is not a de Polignac number, because 1946061491247 - 2⁸ = 1946061490991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1946061491193 and 1946061491202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946061491207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5647872 + ... + 5982522.

It is an arithmetic number, because the mean of its divisors is an integer number (63690968640).

Almost surely, 2^{1946061491247} is an apocalyptic number.

1946061491247 is a deficient number, since it is larger than the sum of its proper divisors (1111105003473).

1946061491247 is a wasteful number, since it uses less digits than its factorization.

1946061491247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335804 (or 335801 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 1946061491247 in words is "one trillion, nine hundred forty-six billion, sixty-one million, four hundred ninety-one thousand, two hundred forty-seven".