153030393949 has 2 divisors, whose sum is σ = 153030393950. Its totient is φ = 153030393948.

The previous prime is 153030393937. The next prime is 153030393983. The reversal of 153030393949 is 949393030351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101792902500 + 51237491449 = 319050^2 + 226357^2 .

It is a cyclic number.

It is not a de Polignac number, because 153030393949 - 2¹⁵ = 153030361181 is a prime.

It is a super-2 number, since 2×153030393949² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153030393049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76515196974 + 76515196975.

It is an arithmetic number, because the mean of its divisors is an integer number (76515196975).

Almost surely, 2^153030393949 is an apocalyptic number.

It is an amenable number.

153030393949 is a deficient number, since it is larger than the sum of its proper divisors (1).

153030393949 is an equidigital number, since it uses as much as digits as its factorization.

153030393949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1180980, while the sum is 49.

The spelling of 153030393949 in words is "one hundred fifty-three billion, thirty million, three hundred ninety-three thousand, nine hundred forty-nine".