1491452994 has 16 divisors (see below), whose sum is σ = 3139901280. Its totient is φ = 470985120.

The previous prime is 1491452981. The next prime is 1491453053. The reversal of 1491452994 is 4992541941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6541347 + ... + 6541574.

It is an arithmetic number, because the mean of its divisors is an integer number (196243830).

Almost surely, 2^1491452994 is an apocalyptic number.

1491452994 is an abundant number, since it is smaller than the sum of its proper divisors (1648448286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1491452994 is a wasteful number, since it uses less digits than its factorization.

1491452994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13082945.

The product of its digits is 466560, while the sum is 48.

The square root of 1491452994 is about 38619.3344582736. The cubic root of 1491452994 is about 1142.5359044621.

The spelling of 1491452994 in words is "one billion, four hundred ninety-one million, four hundred fifty-two thousand, nine hundred ninety-four".