1051638299 has 4 divisors (see below), whose sum is σ = 1052700480. Its totient is φ = 1050576120.

The previous prime is 1051638293. The next prime is 1051638317. The reversal of 1051638299 is 9928361501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1051638299 - 2¹² = 1051634203 is a prime.

It is a super-2 number, since 2×1051638299² = 2211886223847226802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051638293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529604 + ... + 531585.

It is an arithmetic number, because the mean of its divisors is an integer number (263175120).

Almost surely, 2^1051638299 is an apocalyptic number.

1051638299 is a deficient number, since it is larger than the sum of its proper divisors (1062181).

1051638299 is an equidigital number, since it uses as much as digits as its factorization.

1051638299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062180.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 1051638299 is about 32428.9731413130. The cubic root of 1051638299 is about 1016.9247047015.

The spelling of 1051638299 in words is "one billion, fifty-one million, six hundred thirty-eight thousand, two hundred ninety-nine".