1429999650 has 48 divisors (see below), whose sum is σ = 3940447200. Its totient is φ = 381332880.

The previous prime is 1429999639. The next prime is 1429999661. The reversal of 1429999650 is 569999241.

It is an interprime number because it is at equal distance from previous prime (1429999639) and next prime (1429999661).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 528280 + ... + 530979.

It is an arithmetic number, because the mean of its divisors is an integer number (82092650).

Almost surely, 2^1429999650 is an apocalyptic number.

1429999650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1429999650 is an abundant number, since it is smaller than the sum of its proper divisors (2510447550).

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

1429999650 is a wasteful number, since it uses less digits than its factorization.

1429999650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059280 (or 1059269 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The square root of 1429999650 is about 37815.3361746263. The cubic root of 1429999650 is about 1126.6230794189.

The spelling of 1429999650 in words is "one billion, four hundred twenty-nine million, nine hundred ninety-nine thousand, six hundred fifty".