1487821434849 has 8 divisors (see below), whose sum is σ = 2204179903520. Its totient is φ = 991880956548.

The previous prime is 1487821434829. The next prime is 1487821434881. The reversal of 1487821434849 is 9484341287841.

1487821434849 is a `hidden beast` number, since 1 + 4 + 8 + 7 + 8 + 2 + 143 + 484 + 9 = 666.

It is not a de Polignac number, because 1487821434849 - 2⁵ = 1487821434817 is a prime.

It is a super-2 number, since 2×1487821434849² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1487821434809) 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, 27552248767 + ... + 27552248820.

It is an arithmetic number, because the mean of its divisors is an integer number (275522487940).

Almost surely, 2^{1487821434849} is an apocalyptic number.

It is an amenable number.

1487821434849 is a deficient number, since it is larger than the sum of its proper divisors (716358468671).

1487821434849 is an equidigital number, since it uses as much as digits as its factorization.

1487821434849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55104497596 (or 55104497590 counting only the distinct ones).

The product of its digits is 49545216, while the sum is 63.

The spelling of 1487821434849 in words is "one trillion, four hundred eighty-seven billion, eight hundred twenty-one million, four hundred thirty-four thousand, eight hundred forty-nine".