1497949985 has 32 divisors (see below), whose sum is σ = 2177943552. Its totient is φ = 965514240.

The previous prime is 1497949967. The next prime is 1497949993. The reversal of 1497949985 is 5899497941.

It is not a de Polignac number, because 1497949985 - 2¹⁴ = 1497933601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 820784 + ... + 822606.

It is an arithmetic number, because the mean of its divisors is an integer number (68060736).

Almost surely, 2^1497949985 is an apocalyptic number.

It is an amenable number.

1497949985 is a deficient number, since it is larger than the sum of its proper divisors (679993567).

1497949985 is a wasteful number, since it uses less digits than its factorization.

1497949985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233.

The product of its digits is 29393280, while the sum is 65.

The square root of 1497949985 is about 38703.3588335690. The cubic root of 1497949985 is about 1144.1925200573.

The spelling of 1497949985 in words is "one billion, four hundred ninety-seven million, nine hundred forty-nine thousand, nine hundred eighty-five".