612162450909 has 8 divisors (see below), whose sum is σ = 906907334720. Its totient is φ = 408108300588.

The previous prime is 612162450901. The next prime is 612162450917. The reversal of 612162450909 is 909054261216.

612162450909 is a `hidden beast` number, since 6 + 12 + 1 + 624 + 5 + 0 + 9 + 0 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (612162450901) and next prime (612162450917).

It is not a de Polignac number, because 612162450909 - 2³ = 612162450901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612162450901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11336341657 + ... + 11336341710.

It is an arithmetic number, because the mean of its divisors is an integer number (113363416840).

Almost surely, 2^612162450909 is an apocalyptic number.

It is an amenable number.

612162450909 is a deficient number, since it is larger than the sum of its proper divisors (294744883811).

612162450909 is a wasteful number, since it uses less digits than its factorization.

612162450909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22672683376 (or 22672683370 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 612162450909 in words is "six hundred twelve billion, one hundred sixty-two million, four hundred fifty thousand, nine hundred nine".