68849080501 has 4 divisors (see below), whose sum is σ = 70450221952. Its totient is φ = 67247939052.

The previous prime is 68849080499. The next prime is 68849080507. The reversal of 68849080501 is 10508094886.

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 a cyclic number.

It is not a de Polignac number, because 68849080501 - 2¹ = 68849080499 is a prime.

It is a super-2 number, since 2×68849080501² (a number of 22 digits) 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 (68849080507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800570661 + ... + 800570746.

It is an arithmetic number, because the mean of its divisors is an integer number (17612555488).

Almost surely, 2^68849080501 is an apocalyptic number.

It is an amenable number.

68849080501 is a deficient number, since it is larger than the sum of its proper divisors (1601141451).

68849080501 is a wasteful number, since it uses less digits than its factorization.

68849080501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601141450.

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 68849080501 in words is "sixty-eight billion, eight hundred forty-nine million, eighty thousand, five hundred one".