2017021490 has 16 divisors (see below), whose sum is σ = 3960696960. Its totient is φ = 733462320.

The previous prime is 2017021481. The next prime is 2017021519. The reversal of 2017021490 is 941207102.

It is a super-2 number, since 2×2017021490² = 8136751382243640200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9168170 + ... + 9168389.

It is an arithmetic number, because the mean of its divisors is an integer number (247543560).

Almost surely, 2^2017021490 is an apocalyptic number.

2017021490 is a deficient number, since it is larger than the sum of its proper divisors (1943675470).

2017021490 is a wasteful number, since it uses less digits than its factorization.

2017021490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18336577.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 2017021490 is about 44911.2623959737. The cubic root of 2017021490 is about 1263.4852465396.

Adding to 2017021490 its reverse (941207102), we get a palindrome (2958228592).

The spelling of 2017021490 in words is "two billion, seventeen million, twenty-one thousand, four hundred ninety".