149433614977 has 2 divisors, whose sum is σ = 149433614978. Its totient is φ = 149433614976.

The previous prime is 149433614969. The next prime is 149433615011. The reversal of 149433614977 is 779416334941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145253216641 + 4180398336 = 381121^2 + 64656^2 .

It is a cyclic number.

It is not a de Polignac number, because 149433614977 - 2³ = 149433614969 is a prime.

It is not a weakly prime, because it can be changed into another prime (149433614927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74716807488 + 74716807489.

It is an arithmetic number, because the mean of its divisors is an integer number (74716807489).

Almost surely, 2^149433614977 is an apocalyptic number.

It is an amenable number.

149433614977 is a deficient number, since it is larger than the sum of its proper divisors (1).

149433614977 is an equidigital number, since it uses as much as digits as its factorization.

149433614977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 58.

The spelling of 149433614977 in words is "one hundred forty-nine billion, four hundred thirty-three million, six hundred fourteen thousand, nine hundred seventy-seven".