6492079821157 has 8 divisors (see below), whose sum is σ = 7419553160000. Its totient is φ = 5564614823424.

The previous prime is 6492079821107. The next prime is 6492079821169. The reversal of 6492079821157 is 7511289702946.

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

It is a cyclic number.

It is not a de Polignac number, because 6492079821157 - 2³¹ = 6489932337509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6492079821095 and 6492079821104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6492079821107) 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, 317532 + ... + 3617317.

It is an arithmetic number, because the mean of its divisors is an integer number (927444145000).

Almost surely, 2^{6492079821157} is an apocalyptic number.

It is an amenable number.

6492079821157 is a deficient number, since it is larger than the sum of its proper divisors (927473338843).

6492079821157 is a wasteful number, since it uses less digits than its factorization.

6492079821157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170555.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 6492079821157 in words is "six trillion, four hundred ninety-two billion, seventy-nine million, eight hundred twenty-one thousand, one hundred fifty-seven".