7021157021497 has 8 divisors (see below), whose sum is σ = 7223726068416. Its totient is φ = 6819262082352.

The previous prime is 7021157021467. The next prime is 7021157021507. The reversal of 7021157021497 is 7941207511207.

It is a happy number.

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 7021157021497 - 2³⁵ = 6986797283129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7021157021407) 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, 168505813 + ... + 168547474.

It is an arithmetic number, because the mean of its divisors is an integer number (902965758552).

Almost surely, 2^{7021157021497} is an apocalyptic number.

It is an amenable number.

7021157021497 is a deficient number, since it is larger than the sum of its proper divisors (202569046919).

7021157021497 is a wasteful number, since it uses less digits than its factorization.

7021157021497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337053887.

The product of its (nonzero) digits is 246960, while the sum is 46.

The spelling of 7021157021497 in words is "seven trillion, twenty-one billion, one hundred fifty-seven million, twenty-one thousand, four hundred ninety-seven".