1472652989 has 4 divisors (see below), whose sum is σ = 1473880380. Its totient is φ = 1471425600.

The previous prime is 1472652977. The next prime is 1472652991. The reversal of 1472652989 is 9892562741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9972964 + 1462680025 = 3158^2 + 38245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1472652989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1472652989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1472658989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611894 + ... + 614295.

It is an arithmetic number, because the mean of its divisors is an integer number (368470095).

Almost surely, 2^1472652989 is an apocalyptic number.

It is an amenable number.

1472652989 is a deficient number, since it is larger than the sum of its proper divisors (1227391).

1472652989 is a wasteful number, since it uses less digits than its factorization.

1472652989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227390.

The product of its digits is 2177280, while the sum is 53.

The square root of 1472652989 is about 38375.1610941244. The cubic root of 1472652989 is about 1137.7149748508.

The spelling of 1472652989 in words is "one billion, four hundred seventy-two million, six hundred fifty-two thousand, nine hundred eighty-nine".