1631472403 has 12 divisors (see below), whose sum is σ = 1805167504. Its totient is φ = 1473318000.

The previous prime is 1631472383. The next prime is 1631472407. The reversal of 1631472403 is 3042741361.

It is a de Polignac number, because none of the positive numbers 2^k-1631472403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1631472407) 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, 26376 + ... + 62917.

Almost surely, 2^1631472403 is an apocalyptic number.

1631472403 is a deficient number, since it is larger than the sum of its proper divisors (173695101).

1631472403 is a wasteful number, since it uses less digits than its factorization.

1631472403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89466 (or 89455 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1631472403 is about 40391.4892396901. The cubic root of 1631472403 is about 1177.2261771647.

The spelling of 1631472403 in words is "one billion, six hundred thirty-one million, four hundred seventy-two thousand, four hundred three".