612080069 has 4 divisors (see below), whose sum is σ = 612636096. Its totient is φ = 611524044.

The previous prime is 612080057. The next prime is 612080081. The reversal of 612080069 is 960080216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (612080057) and next prime (612080081).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612080069 is a prime.

It is a super-2 number, since 2×612080069² = 749284021734089522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612080569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276359 + ... + 278564.

It is an arithmetic number, because the mean of its divisors is an integer number (153159024).

Almost surely, 2^612080069 is an apocalyptic number.

It is an amenable number.

612080069 is a deficient number, since it is larger than the sum of its proper divisors (556027).

612080069 is a wasteful number, since it uses less digits than its factorization.

612080069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556026.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 612080069 is about 24740.2519995250. The cubic root of 612080069 is about 849.0554994396.

The spelling of 612080069 in words is "six hundred twelve million, eighty thousand, sixty-nine".