1479954617 has 2 divisors, whose sum is σ = 1479954618. Its totient is φ = 1479954616.

The previous prime is 1479954589. The next prime is 1479954661. The reversal of 1479954617 is 7164599741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 915607081 + 564347536 = 30259^2 + 23756^2 .

It is a cyclic number.

It is not a de Polignac number, because 1479954617 - 2¹⁰ = 1479953593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1479954677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739977308 + 739977309.

It is an arithmetic number, because the mean of its divisors is an integer number (739977309).

Almost surely, 2^1479954617 is an apocalyptic number.

It is an amenable number.

1479954617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1479954617 is an equidigital number, since it uses as much as digits as its factorization.

1479954617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 53.

The square root of 1479954617 is about 38470.1782813649. The cubic root of 1479954617 is about 1139.5921945993.

The spelling of 1479954617 in words is "one billion, four hundred seventy-nine million, nine hundred fifty-four thousand, six hundred seventeen".