1028613019 has 16 divisors (see below), whose sum is σ = 1204346880. Its totient is φ = 860126400.

The previous prime is 1028612989. The next prime is 1028613023. The reversal of 1028613019 is 9103168201.

It is not a de Polignac number, because 1028613019 - 2¹¹ = 1028610971 is a prime.

It is a super-2 number, since 2×1028613019² = 2116089485712588722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028613059) 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 15 ways as a sum of consecutive naturals, for example, 344967 + ... + 347935.

It is an arithmetic number, because the mean of its divisors is an integer number (75271680).

Almost surely, 2^1028613019 is an apocalyptic number.

1028613019 is a deficient number, since it is larger than the sum of its proper divisors (175733861).

1028613019 is a wasteful number, since it uses less digits than its factorization.

1028613019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1028613019 is about 32071.9974276627. The cubic root of 1028613019 is about 1009.4481248023.

The spelling of 1028613019 in words is "one billion, twenty-eight million, six hundred thirteen thousand, nineteen".