1491385002 has 32 divisors (see below), whose sum is σ = 3031898688. Its totient is φ = 488992896.

The previous prime is 1491384977. The next prime is 1491385013. The reversal of 1491385002 is 2005831941.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109608 + ... + 122460.

It is an arithmetic number, because the mean of its divisors is an integer number (94746834).

Almost surely, 2^1491385002 is an apocalyptic number.

1491385002 is an abundant number, since it is smaller than the sum of its proper divisors (1540513686).

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

1491385002 is a wasteful number, since it uses less digits than its factorization.

1491385002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13174.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1491385002 is about 38618.4541637803. The cubic root of 1491385002 is about 1142.5185423144.

The spelling of 1491385002 in words is "one billion, four hundred ninety-one million, three hundred eighty-five thousand, two".