1491467612 has 6 divisors (see below), whose sum is σ = 2610068328. Its totient is φ = 745733804.

The previous prime is 1491467603. The next prime is 1491467633. The reversal of 1491467612 is 2167641941.

It is a self number, because there is not a number n which added to its sum of digits gives 1491467612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186433448 + ... + 186433455.

It is an arithmetic number, because the mean of its divisors is an integer number (435011388).

Almost surely, 2^1491467612 is an apocalyptic number.

It is an amenable number.

1491467612 is a deficient number, since it is larger than the sum of its proper divisors (1118600716).

1491467612 is a wasteful number, since it uses less digits than its factorization.

1491467612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372866907 (or 372866905 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 1491467612 is about 38619.5237153438. The cubic root of 1491467612 is about 1142.5396371835.

The spelling of 1491467612 in words is "one billion, four hundred ninety-one million, four hundred sixty-seven thousand, six hundred twelve".