1429695670 has 64 divisors (see below), whose sum is σ = 2872376640. Its totient is φ = 509004288.

The previous prime is 1429695653. The next prime is 1429695697. The reversal of 1429695670 is 765969241.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404752 + ... + 408268.

It is an arithmetic number, because the mean of its divisors is an integer number (44880885).

Almost surely, 2^1429695670 is an apocalyptic number.

1429695670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1429695670 is an abundant number, since it is smaller than the sum of its proper divisors (1442680970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1429695670 is a wasteful number, since it uses less digits than its factorization.

1429695670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 1429695670 is about 37811.3166922285. The cubic root of 1429695670 is about 1126.5432436993.

The spelling of 1429695670 in words is "one billion, four hundred twenty-nine million, six hundred ninety-five thousand, six hundred seventy".