1826980005 has 16 divisors (see below), whose sum is σ = 2985364224. Its totient is φ = 953657280.

The previous prime is 1826979983. The next prime is 1826980027. The reversal of 1826980005 is 5000896281.

It is an interprime number because it is at equal distance from previous prime (1826979983) and next prime (1826980027).

It is not a de Polignac number, because 1826980005 - 2¹⁵ = 1826947237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295026 + ... + 1296435.

It is an arithmetic number, because the mean of its divisors is an integer number (186585264).

Almost surely, 2^1826980005 is an apocalyptic number.

1826980005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1826980005 is a deficient number, since it is larger than the sum of its proper divisors (1158384219).

1826980005 is a wasteful number, since it uses less digits than its factorization.

1826980005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591516.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1826980005 is about 42743.1866500382. The cubic root of 1826980005 is about 1222.4879812804.

The spelling of 1826980005 in words is "one billion, eight hundred twenty-six million, nine hundred eighty thousand, five".