802249030621 has 8 divisors (see below), whose sum is σ = 825808290560. Its totient is φ = 778788552528.

The previous prime is 802249030613. The next prime is 802249030669. The reversal of 802249030621 is 126030942208.

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 802249030621 - 2³ = 802249030613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802249010621) 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, 24678981 + ... + 24711466.

It is an arithmetic number, because the mean of its divisors is an integer number (103226036320).

Almost surely, 2^802249030621 is an apocalyptic number.

It is an amenable number.

802249030621 is a deficient number, since it is larger than the sum of its proper divisors (23559259939).

802249030621 is a wasteful number, since it uses less digits than its factorization.

802249030621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49390923.

The product of its (nonzero) digits is 41472, while the sum is 37.

Adding to 802249030621 its reverse (126030942208), we get a palindrome (928279972829).

The spelling of 802249030621 in words is "eight hundred two billion, two hundred forty-nine million, thirty thousand, six hundred twenty-one".