73025000149 has 2 divisors, whose sum is σ = 73025000150. Its totient is φ = 73025000148.

The previous prime is 73025000047. The next prime is 73025000173. The reversal of 73025000149 is 94100052037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72903780049 + 121220100 = 270007^2 + 11010^2 .

It is a cyclic number.

It is not a de Polignac number, because 73025000149 - 2¹⁹ = 73024475861 is a prime.

It is a super-2 number, since 2×73025000149² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73025000149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73025000249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36512500074 + 36512500075.

It is an arithmetic number, because the mean of its divisors is an integer number (36512500075).

Almost surely, 2^73025000149 is an apocalyptic number.

It is an amenable number.

73025000149 is a deficient number, since it is larger than the sum of its proper divisors (1).

73025000149 is an equidigital number, since it uses as much as digits as its factorization.

73025000149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 73025000149 in words is "seventy-three billion, twenty-five million, one hundred forty-nine", and thus it is an aban number.