1431634916 has 6 divisors (see below), whose sum is σ = 2505361110. Its totient is φ = 715817456.

The previous prime is 1431634913. The next prime is 1431634921. The reversal of 1431634916 is 6194361341.

It can be written as a sum of positive squares in only one way, i.e., 1232712100 + 198922816 = 35110^2 + 14104^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1431634916.

It is not an unprimeable number, because it can be changed into a prime (1431634913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178954361 + ... + 178954368.

It is an arithmetic number, because the mean of its divisors is an integer number (417560185).

Almost surely, 2^1431634916 is an apocalyptic number.

It is an amenable number.

1431634916 is a deficient number, since it is larger than the sum of its proper divisors (1073726194).

1431634916 is a wasteful number, since it uses less digits than its factorization.

1431634916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357908733 (or 357908731 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 1431634916 is about 37836.9517271146. The cubic root of 1431634916 is about 1127.0523631142.

The spelling of 1431634916 in words is "one billion, four hundred thirty-one million, six hundred thirty-four thousand, nine hundred sixteen".