149281358753 has 2 divisors, whose sum is σ = 149281358754. Its totient is φ = 149281358752.

The previous prime is 149281358717. The next prime is 149281358773. The reversal of 149281358753 is 357853182941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122505600064 + 26775758689 = 350008^2 + 163633^2 .

It is a cyclic number.

It is not a de Polignac number, because 149281358753 - 2⁶ = 149281358689 is a prime.

It is a super-2 number, since 2×149281358753² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (149281358773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74640679376 + 74640679377.

It is an arithmetic number, because the mean of its divisors is an integer number (74640679377).

Almost surely, 2^149281358753 is an apocalyptic number.

It is an amenable number.

149281358753 is a deficient number, since it is larger than the sum of its proper divisors (1).

149281358753 is an equidigital number, since it uses as much as digits as its factorization.

149281358753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 56.

The spelling of 149281358753 in words is "one hundred forty-nine billion, two hundred eighty-one million, three hundred fifty-eight thousand, seven hundred fifty-three".