1429875813 has 4 divisors (see below), whose sum is σ = 1906501088. Its totient is φ = 953250540.

The previous prime is 1429875809. The next prime is 1429875829. The reversal of 1429875813 is 3185789241.

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 1429875813 - 2² = 1429875809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429875803) 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, 238312633 + ... + 238312638.

It is an arithmetic number, because the mean of its divisors is an integer number (476625272).

Almost surely, 2^1429875813 is an apocalyptic number.

It is an amenable number.

1429875813 is a deficient number, since it is larger than the sum of its proper divisors (476625275).

1429875813 is an equidigital number, since it uses as much as digits as its factorization.

1429875813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476625274.

The product of its digits is 483840, while the sum is 48.

The square root of 1429875813 is about 37813.6987479405. The cubic root of 1429875813 is about 1126.5905568819.

The spelling of 1429875813 in words is "one billion, four hundred twenty-nine million, eight hundred seventy-five thousand, eight hundred thirteen".