1946149847 has 8 divisors (see below), whose sum is σ = 1954267776. Its totient is φ = 1938047032.

The previous prime is 1946149819. The next prime is 1946149867. The reversal of 1946149847 is 7489416491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1946149847 - 2¹⁸ = 1945887703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946149867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304628 + ... + 310950.

It is an arithmetic number, because the mean of its divisors is an integer number (244283472).

Almost surely, 2^1946149847 is an apocalyptic number.

1946149847 is a deficient number, since it is larger than the sum of its proper divisors (8117929).

1946149847 is an equidigital number, since it uses as much as digits as its factorization.

1946149847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7557.

The product of its digits is 1741824, while the sum is 53.

The square root of 1946149847 is about 44115.1883935680. The cubic root of 1946149847 is about 1248.5101924442.

The spelling of 1946149847 in words is "one billion, nine hundred forty-six million, one hundred forty-nine thousand, eight hundred forty-seven".