30000002403997 has 2 divisors, whose sum is σ = 30000002403998. Its totient is φ = 30000002403996.

The previous prime is 30000002403991. The next prime is 30000002404093. The reversal of 30000002403997 is 79930420000003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18650185039396 + 11349817364601 = 4318586^2 + 3368949^2 .

It is a cyclic number.

It is not a de Polignac number, because 30000002403997 - 2¹⁹ = 30000001879709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30000002403991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000001201998 + 15000001201999.

It is an arithmetic number, because the mean of its divisors is an integer number (15000001201999).

Almost surely, 2^{30000002403997} is an apocalyptic number.

It is an amenable number.

30000002403997 is a deficient number, since it is larger than the sum of its proper divisors (1).

30000002403997 is an equidigital number, since it uses as much as digits as its factorization.

30000002403997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 37.

The spelling of 30000002403997 in words is "thirty trillion, two million, four hundred three thousand, nine hundred ninety-seven".