1631423476 has 6 divisors (see below), whose sum is σ = 2854991090. Its totient is φ = 815711736.

The previous prime is 1631423473. The next prime is 1631423539. The reversal of 1631423476 is 6743241361.

It can be written as a sum of positive squares in only one way, i.e., 1361610000 + 269813476 = 36900^2 + 16426^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1631423471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203927931 + ... + 203927938.

Almost surely, 2^1631423476 is an apocalyptic number.

It is an amenable number.

1631423476 is a deficient number, since it is larger than the sum of its proper divisors (1223567614).

1631423476 is a wasteful number, since it uses less digits than its factorization.

1631423476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407855873 (or 407855871 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 1631423476 is about 40390.8835753812. The cubic root of 1631423476 is about 1177.2144089156.

The spelling of 1631423476 in words is "one billion, six hundred thirty-one million, four hundred twenty-three thousand, four hundred seventy-six".