149526538429 has 2 divisors, whose sum is σ = 149526538430. Its totient is φ = 149526538428.

The previous prime is 149526538387. The next prime is 149526538459. The reversal of 149526538429 is 924835625941.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143360676900 + 6165861529 = 378630^2 + 78523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149526538429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149526538459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74763269214 + 74763269215.

It is an arithmetic number, because the mean of its divisors is an integer number (74763269215).

Almost surely, 2^149526538429 is an apocalyptic number.

It is an amenable number.

149526538429 is a deficient number, since it is larger than the sum of its proper divisors (1).

149526538429 is an equidigital number, since it uses as much as digits as its factorization.

149526538429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18662400, while the sum is 58.

The spelling of 149526538429 in words is "one hundred forty-nine billion, five hundred twenty-six million, five hundred thirty-eight thousand, four hundred twenty-nine".