149676676397 has 2 divisors, whose sum is σ = 149676676398. Its totient is φ = 149676676396.

The previous prime is 149676676381. The next prime is 149676676517. The reversal of 149676676397 is 793676676941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114261576676 + 35415099721 = 338026^2 + 188189^2 .

It is a cyclic number.

It is not a de Polignac number, because 149676676397 - 2⁴ = 149676676381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149676676397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149676670397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74838338198 + 74838338199.

It is an arithmetic number, because the mean of its divisors is an integer number (74838338199).

Almost surely, 2^149676676397 is an apocalyptic number.

It is an amenable number.

149676676397 is a deficient number, since it is larger than the sum of its proper divisors (1).

149676676397 is an equidigital number, since it uses as much as digits as its factorization.

149676676397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432081216, while the sum is 71.

The spelling of 149676676397 in words is "one hundred forty-nine billion, six hundred seventy-six million, six hundred seventy-six thousand, three hundred ninety-seven".