1486988645 has 4 divisors (see below), whose sum is σ = 1784386380. Its totient is φ = 1189590912.

The previous prime is 1486988627. The next prime is 1486988647. The reversal of 1486988645 is 5468896841.

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 211498849 + 1275489796 = 14543^2 + 35714^2 .

It is a cyclic number.

It is not a de Polignac number, because 1486988645 - 2⁸ = 1486988389 is a prime.

It is a super-2 number, since 2×1486988645² = 4422270460717872050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1486988647) 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, 148698860 + ... + 148698869.

It is an arithmetic number, because the mean of its divisors is an integer number (446096595).

Almost surely, 2^1486988645 is an apocalyptic number.

It is an amenable number.

1486988645 is a deficient number, since it is larger than the sum of its proper divisors (297397735).

1486988645 is an equidigital number, since it uses as much as digits as its factorization.

1486988645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297397734.

The product of its digits is 13271040, while the sum is 59.

The square root of 1486988645 is about 38561.4917372241. The cubic root of 1486988645 is about 1141.3947853005.

The spelling of 1486988645 in words is "one billion, four hundred eighty-six million, nine hundred eighty-eight thousand, six hundred forty-five".