149367244533251 has 2 divisors, whose sum is σ = 149367244533252. Its totient is φ = 149367244533250.

The previous prime is 149367244533179. The next prime is 149367244533253. The reversal of 149367244533251 is 152335442763941.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (152335442763941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149367244533251 is a prime.

Together with 149367244533253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149367244533253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74683622266625 + 74683622266626.

It is an arithmetic number, because the mean of its divisors is an integer number (74683622266626).

Almost surely, 2^{149367244533251} is an apocalyptic number.

149367244533251 is a deficient number, since it is larger than the sum of its proper divisors (1).

149367244533251 is an equidigital number, since it uses as much as digits as its factorization.

149367244533251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65318400, while the sum is 59.

The spelling of 149367244533251 in words is "one hundred forty-nine trillion, three hundred sixty-seven billion, two hundred forty-four million, five hundred thirty-three thousand, two hundred fifty-one".