1475612989 has 8 divisors (see below), whose sum is σ = 1527614208. Its totient is φ = 1423886880.

The previous prime is 1475612981. The next prime is 1475612993. The reversal of 1475612989 is 9892165741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1475612989 - 2³ = 1475612981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1475612981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57832 + ... + 79345.

It is an arithmetic number, because the mean of its divisors is an integer number (190951776).

Almost surely, 2^1475612989 is an apocalyptic number.

It is an amenable number.

1475612989 is a deficient number, since it is larger than the sum of its proper divisors (52001219).

1475612989 is a wasteful number, since it uses less digits than its factorization.

1475612989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137555.

The product of its digits is 1088640, while the sum is 52.

The square root of 1475612989 is about 38413.7083474116. The cubic root of 1475612989 is about 1138.4767253730.

The spelling of 1475612989 in words is "one billion, four hundred seventy-five million, six hundred twelve thousand, nine hundred eighty-nine".