30215104351969 has 2 divisors, whose sum is σ = 30215104351970. Its totient is φ = 30215104351968.

The previous prime is 30215104351961. The next prime is 30215104351979. The reversal of 30215104351969 is 96915340151203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19410077941969 + 10805026410000 = 4405687^2 + 3287100^2 .

It is a cyclic number.

It is not a de Polignac number, because 30215104351969 - 2³ = 30215104351961 is a prime.

It is a super-2 number, since 2×30215104351969² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30215104351961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15107552175984 + 15107552175985.

It is an arithmetic number, because the mean of its divisors is an integer number (15107552175985).

Almost surely, 2^{30215104351969} is an apocalyptic number.

It is an amenable number.

30215104351969 is a deficient number, since it is larger than the sum of its proper divisors (1).

30215104351969 is an equidigital number, since it uses as much as digits as its factorization.

30215104351969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 874800, while the sum is 49.

The spelling of 30215104351969 in words is "thirty trillion, two hundred fifteen billion, one hundred four million, three hundred fifty-one thousand, nine hundred sixty-nine".