6928998025402 has 8 divisors (see below), whose sum is σ = 10393767472500. Its totient is φ = 3464408867904.

The previous prime is 6928998025387. The next prime is 6928998025403. The reversal of 6928998025402 is 2045208998296.

It is a Cunningham number, because it is equal to 2632299²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 6928998025401 + 1 = 2632299^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6928998025402² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6928998025403) 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, 44976277 + ... + 45130072.

Almost surely, 2^{6928998025402} is an apocalyptic number.

6928998025402 is a deficient number, since it is larger than the sum of its proper divisors (3464769447098).

6928998025402 is a wasteful number, since it uses less digits than its factorization.

6928998025402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90144800.

The product of its (nonzero) digits is 44789760, while the sum is 64.

The spelling of 6928998025402 in words is "six trillion, nine hundred twenty-eight billion, nine hundred ninety-eight million, twenty-five thousand, four hundred two".