1417921385 has 4 divisors (see below), whose sum is σ = 1701505668. Its totient is φ = 1134337104.

The previous prime is 1417921357. The next prime is 1417921387. The reversal of 1417921385 is 5831297141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5831297141 = 179 ⋅32577079.

It can be written as a sum of positive squares in 2 ways, for example, as 408524944 + 1009396441 = 20212^2 + 31771^2 .

It is a cyclic number.

It is not a de Polignac number, because 1417921385 - 2⁸ = 1417921129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1417921387) 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, 141792134 + ... + 141792143.

It is an arithmetic number, because the mean of its divisors is an integer number (425376417).

Almost surely, 2^1417921385 is an apocalyptic number.

It is an amenable number.

1417921385 is a deficient number, since it is larger than the sum of its proper divisors (283584283).

1417921385 is an equidigital number, since it uses as much as digits as its factorization.

1417921385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283584282.

The product of its digits is 60480, while the sum is 41.

The square root of 1417921385 is about 37655.2969049508. The cubic root of 1417921385 is about 1123.4421591706.

The spelling of 1417921385 in words is "one billion, four hundred seventeen million, nine hundred twenty-one thousand, three hundred eighty-five".