30353962249661 has 2 divisors, whose sum is σ = 30353962249662. Its totient is φ = 30353962249660.

The previous prime is 30353962249657. The next prime is 30353962249729. The reversal of 30353962249661 is 16694226935303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29181668824036 + 1172293425625 = 5402006^2 + 1082725^2 .

It is an emirp because it is prime and its reverse (16694226935303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30353962249661 - 2² = 30353962249657 is a prime.

It is a super-2 number, since 2×30353962249661² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30353962249661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30353962249631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15176981124830 + 15176981124831.

It is an arithmetic number, because the mean of its divisors is an integer number (15176981124831).

Almost surely, 2^{30353962249661} is an apocalyptic number.

It is an amenable number.

30353962249661 is a deficient number, since it is larger than the sum of its proper divisors (1).

30353962249661 is an equidigital number, since it uses as much as digits as its factorization.

30353962249661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37791360, while the sum is 59.

The spelling of 30353962249661 in words is "thirty trillion, three hundred fifty-three billion, nine hundred sixty-two million, two hundred forty-nine thousand, six hundred sixty-one".