1429878746 has 8 divisors (see below), whose sum is σ = 2166929940.
Its totient is φ = 707568768.
The previous prime is 1429878739. The next prime is 1429878757. The reversal of 1429878746 is 6478789241.
It can be written as a sum of positive squares in 2 ways, for example, as 1429671721 + 207025 = 37811^2 + 455^2
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 1429878691 and 1429878700.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3685061 + ... + 3685448.
Almost surely, 21429878746 is an apocalyptic number.
1429878746 is a deficient number, since it is larger than the sum of its proper divisors (737051194).
1429878746 is an equidigital number, since it uses as much as digits as its factorization.
1429878746 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7370608.
The product of its digits is 5419008, while the sum is 56.
The square root of 1429878746 is about 37813.7375301622.
The cubic root of 1429878746 is about 1126.5913271790.
The spelling of 1429878746 in words is "one billion, four hundred twenty-nine million, eight hundred seventy-eight thousand, seven hundred forty-six".