1472694289 has 4 divisors (see below), whose sum is σ = 1606575600. Its totient is φ = 1338812980.

The previous prime is 1472694263. The next prime is 1472694299. The reversal of 1472694289 is 9824962741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9824962741 = 11 ⋅893178431.

It is a cyclic number.

It is not a de Polignac number, because 1472694289 - 2⁹ = 1472693777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1472694299) 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, 66940639 + ... + 66940660.

It is an arithmetic number, because the mean of its divisors is an integer number (401643900).

Almost surely, 2^1472694289 is an apocalyptic number.

It is an amenable number.

1472694289 is a deficient number, since it is larger than the sum of its proper divisors (133881311).

1472694289 is a wasteful number, since it uses less digits than its factorization.

1472694289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133881310.

The product of its digits is 1741824, while the sum is 52.

The square root of 1472694289 is about 38375.6991988420. The cubic root of 1472694289 is about 1137.7256103478.

The spelling of 1472694289 in words is "one billion, four hundred seventy-two million, six hundred ninety-four thousand, two hundred eighty-nine".