1946690433 has 12 divisors (see below), whose sum is σ = 2815552740. Its totient is φ = 1296101376.

The previous prime is 1946690423. The next prime is 1946690441. The reversal of 1946690433 is 3340966491.

It can be written as a sum of positive squares in 2 ways, for example, as 1300107249 + 646583184 = 36057^2 + 25428^2 .

It is not a de Polignac number, because 1946690433 - 2⁵ = 1946690401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1946690423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133716 + ... + 147557.

It is an arithmetic number, because the mean of its divisors is an integer number (234629395).

Almost surely, 2^1946690433 is an apocalyptic number.

It is an amenable number.

1946690433 is a deficient number, since it is larger than the sum of its proper divisors (868862307).

1946690433 is a wasteful number, since it uses less digits than its factorization.

1946690433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282048 (or 282045 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 1946690433 is about 44121.3149509395. The cubic root of 1946690433 is about 1248.6257821472.

The spelling of 1946690433 in words is "one billion, nine hundred forty-six million, six hundred ninety thousand, four hundred thirty-three".