149633840441 has 2 divisors, whose sum is σ = 149633840442. Its totient is φ = 149633840440.

The previous prime is 149633840437. The next prime is 149633840539. The reversal of 149633840441 is 144048336941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93822140416 + 55811700025 = 306304^2 + 236245^2 .

It is an emirp because it is prime and its reverse (144048336941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149633840441 - 2² = 149633840437 is a prime.

It is not a weakly prime, because it can be changed into another prime (149633840431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74816920220 + 74816920221.

It is an arithmetic number, because the mean of its divisors is an integer number (74816920221).

Almost surely, 2^149633840441 is an apocalyptic number.

It is an amenable number.

149633840441 is a deficient number, since it is larger than the sum of its proper divisors (1).

149633840441 is an equidigital number, since it uses as much as digits as its factorization.

149633840441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 149633840441 in words is "one hundred forty-nine billion, six hundred thirty-three million, eight hundred forty thousand, four hundred forty-one".