1489936641 has 8 divisors (see below), whose sum is σ = 1987051584. Its totient is φ = 993056400.

The previous prime is 1489936631. The next prime is 1489936667. The reversal of 1489936641 is 1466399841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1489936641 - 2⁶ = 1489936577 is a prime.

It is a super-2 number, since 2×1489936641² = 4439822388388725762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1489936631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43285 + ... + 69666.

It is an arithmetic number, because the mean of its divisors is an integer number (248381448).

Almost surely, 2^1489936641 is an apocalyptic number.

It is an amenable number.

1489936641 is a deficient number, since it is larger than the sum of its proper divisors (497114943).

1489936641 is a wasteful number, since it uses less digits than its factorization.

1489936641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117351.

The product of its digits is 1119744, while the sum is 51.

The square root of 1489936641 is about 38599.6974210939. The cubic root of 1489936641 is about 1142.1485696009.

The spelling of 1489936641 in words is "one billion, four hundred eighty-nine million, nine hundred thirty-six thousand, six hundred forty-one".