1487129389401 has 4 divisors (see below), whose sum is σ = 1982839185872. Its totient is φ = 991419592932.

The previous prime is 1487129389391. The next prime is 1487129389519. The reversal of 1487129389401 is 1049839217841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1487129389401 - 2²¹ = 1487127292249 is a prime.

It is a super-2 number, since 2×1487129389401² (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 (1487129389601) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 247854898231 + ... + 247854898236.

It is an arithmetic number, because the mean of its divisors is an integer number (495709796468).

Almost surely, 2^{1487129389401} is an apocalyptic number.

It is an amenable number.

1487129389401 is a deficient number, since it is larger than the sum of its proper divisors (495709796471).

1487129389401 is an equidigital number, since it uses as much as digits as its factorization.

1487129389401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495709796470.

The product of its (nonzero) digits is 3483648, while the sum is 57.

The spelling of 1487129389401 in words is "one trillion, four hundred eighty-seven billion, one hundred twenty-nine million, three hundred eighty-nine thousand, four hundred one".