149627201482921 has 2 divisors, whose sum is σ = 149627201482922. Its totient is φ = 149627201482920.

The previous prime is 149627201482907. The next prime is 149627201482991. The reversal of 149627201482921 is 129284102726941.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94482987895696 + 55144213587225 = 9720236^2 + 7425915^2 .

It is a cyclic number.

It is not a de Polignac number, because 149627201482921 - 2¹⁹ = 149627200958633 is a prime.

It is a super-2 number, since 2×149627201482921² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149627201482991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74813600741460 + 74813600741461.

It is an arithmetic number, because the mean of its divisors is an integer number (74813600741461).

Almost surely, 2^{149627201482921} is an apocalyptic number.

It is an amenable number.

149627201482921 is a deficient number, since it is larger than the sum of its proper divisors (1).

149627201482921 is an equidigital number, since it uses as much as digits as its factorization.

149627201482921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 149627201482921 in words is "one hundred forty-nine trillion, six hundred twenty-seven billion, two hundred one million, four hundred eighty-two thousand, nine hundred twenty-one".