80313619 has 2 divisors, whose sum is σ = 80313620. Its totient is φ = 80313618.

The previous prime is 80313521. The next prime is 80313659. The reversal of 80313619 is 91631308.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80313619 - 2¹⁷ = 80182547 is a prime.

It is a super-2 number, since 2×80313619² = 12900554793754322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80313659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40156809 + 40156810.

It is an arithmetic number, because the mean of its divisors is an integer number (40156810).

Almost surely, 2^80313619 is an apocalyptic number.

80313619 is a deficient number, since it is larger than the sum of its proper divisors (1).

80313619 is an equidigital number, since it uses as much as digits as its factorization.

80313619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 80313619 is about 8961.7865964327. The cubic root of 80313619 is about 431.4492635396.

The spelling of 80313619 in words is "eighty million, three hundred thirteen thousand, six hundred nineteen".