30269939977 has 2 divisors, whose sum is σ = 30269939978. Its totient is φ = 30269939976.

The previous prime is 30269939969. The next prime is 30269940007. The reversal of 30269939977 is 77993996203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26368563456 + 3901376521 = 162384^2 + 62461^2 .

It is an emirp because it is prime and its reverse (77993996203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30269939977 - 2³ = 30269939969 is a prime.

It is a super-2 number, since 2×30269939977² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30269933977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15134969988 + 15134969989.

It is an arithmetic number, because the mean of its divisors is an integer number (15134969989).

Almost surely, 2^30269939977 is an apocalyptic number.

It is an amenable number.

30269939977 is a deficient number, since it is larger than the sum of its proper divisors (1).

30269939977 is an equidigital number, since it uses as much as digits as its factorization.

30269939977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34720812, while the sum is 64.

The spelling of 30269939977 in words is "thirty billion, two hundred sixty-nine million, nine hundred thirty-nine thousand, nine hundred seventy-seven".