1049921698 has 8 divisors (see below), whose sum is σ = 1799865792. Its totient is φ = 449966436.

The previous prime is 1049921693. The next prime is 1049921711. The reversal of 1049921698 is 8961299401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1049921698² = 2204671143862406408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1049921693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37497190 + ... + 37497217.

It is an arithmetic number, because the mean of its divisors is an integer number (224983224).

Almost surely, 2^1049921698 is an apocalyptic number.

1049921698 is a deficient number, since it is larger than the sum of its proper divisors (749944094).

1049921698 is an equidigital number, since it uses as much as digits as its factorization.

1049921698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74994416.

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 1049921698 is about 32402.4952434222. The cubic root of 1049921698 is about 1016.3710908320.

The spelling of 1049921698 in words is "one billion, forty-nine million, nine hundred twenty-one thousand, six hundred ninety-eight".