1489455701 has 4 divisors (see below), whose sum is σ = 1489536972. Its totient is φ = 1489374432.

The previous prime is 1489455659. The next prime is 1489455707. The reversal of 1489455701 is 1075549841.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1379751025 + 109704676 = 37145^2 + 10474^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489455701 - 2²² = 1485261397 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 (1489455707) 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, 1241 + ... + 54593.

It is an arithmetic number, because the mean of its divisors is an integer number (372384243).

Almost surely, 2^1489455701 is an apocalyptic number.

It is an amenable number.

1489455701 is a deficient number, since it is larger than the sum of its proper divisors (81271).

1489455701 is an equidigital number, since it uses as much as digits as its factorization.

1489455701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81270.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 1489455701 is about 38593.4670766958. The cubic root of 1489455701 is about 1142.0256641403.

The spelling of 1489455701 in words is "one billion, four hundred eighty-nine million, four hundred fifty-five thousand, seven hundred one".