7346608139869 has 4 divisors (see below), whose sum is σ = 7346739195900. Its totient is φ = 7346477083840.

The previous prime is 7346608139851. The next prime is 7346608139921. The reversal of 7346608139869 is 9689318066437.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2062986416100 + 5283621723769 = 1436310^2 + 2298613^2 .

It is a cyclic number.

It is not a de Polignac number, because 7346608139869 - 2¹³ = 7346608131677 is a prime.

It is a super-2 number, since 2×7346608139869² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7346608139798 and 7346608139807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7346608149869) 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, 65443894 + ... + 65556055.

It is an arithmetic number, because the mean of its divisors is an integer number (1836684798975).

Almost surely, 2^{7346608139869} is an apocalyptic number.

It is an amenable number.

7346608139869 is a deficient number, since it is larger than the sum of its proper divisors (131056031).

7346608139869 is a wasteful number, since it uses less digits than its factorization.

7346608139869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131056030.

The product of its (nonzero) digits is 282175488, while the sum is 70.

The spelling of 7346608139869 in words is "seven trillion, three hundred forty-six billion, six hundred eight million, one hundred thirty-nine thousand, eight hundred sixty-nine".