1487972645854 has 4 divisors (see below), whose sum is σ = 2231958968784. Its totient is φ = 743986322926.

The previous prime is 1487972645837. The next prime is 1487972645867. The reversal of 1487972645854 is 4585462797841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371993161462 + ... + 371993161465.

It is an arithmetic number, because the mean of its divisors is an integer number (557989742196).

Almost surely, 2^{1487972645854} is an apocalyptic number.

1487972645854 is a deficient number, since it is larger than the sum of its proper divisors (743986322930).

1487972645854 is an equidigital number, since it uses as much as digits as its factorization.

1487972645854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743986322929.

The product of its digits is 541900800, while the sum is 70.

The spelling of 1487972645854 in words is "one trillion, four hundred eighty-seven billion, nine hundred seventy-two million, six hundred forty-five thousand, eight hundred fifty-four".