1431488929 has 4 divisors (see below), whose sum is σ = 1541603476. Its totient is φ = 1321374384.

The previous prime is 1431488921. The next prime is 1431488939. The reversal of 1431488929 is 9298841341.

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

It can be written as a sum of positive squares in 2 ways, for example, as 879003904 + 552485025 = 29648^2 + 23505^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431488929 - 2³ = 1431488921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431488921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55057254 + ... + 55057279.

It is an arithmetic number, because the mean of its divisors is an integer number (385400869).

Almost surely, 2^1431488929 is an apocalyptic number.

It is an amenable number.

1431488929 is a deficient number, since it is larger than the sum of its proper divisors (110114547).

1431488929 is a wasteful number, since it uses less digits than its factorization.

1431488929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110114546.

The product of its digits is 497664, while the sum is 49.

The square root of 1431488929 is about 37835.0225188251. The cubic root of 1431488929 is about 1127.0140524656.

The spelling of 1431488929 in words is "one billion, four hundred thirty-one million, four hundred eighty-eight thousand, nine hundred twenty-nine".