1431900489 has 16 divisors (see below), whose sum is σ = 2007908352. Its totient is φ = 905900688.

The previous prime is 1431900469. The next prime is 1431900493. The reversal of 1431900489 is 9840091341.

It is not a de Polignac number, because 1431900489 - 2⁹ = 1431899977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1431900469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72939 + ... + 90464.

It is an arithmetic number, because the mean of its divisors is an integer number (125494272).

Almost surely, 2^1431900489 is an apocalyptic number.

It is an amenable number.

1431900489 is a deficient number, since it is larger than the sum of its proper divisors (576007863).

1431900489 is a wasteful number, since it uses less digits than its factorization.

1431900489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163556.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1431900489 is about 37840.4610040628. The cubic root of 1431900489 is about 1127.1220494492.

The spelling of 1431900489 in words is "one billion, four hundred thirty-one million, nine hundred thousand, four hundred eighty-nine".