149971234403 has 2 divisors, whose sum is σ = 149971234404. Its totient is φ = 149971234402.

The previous prime is 149971234381. The next prime is 149971234409. The reversal of 149971234403 is 304432179941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149971234403 - 2⁶ = 149971234339 is a prime.

It is a super-2 number, since 2×149971234403² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149971234409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74985617201 + 74985617202.

It is an arithmetic number, because the mean of its divisors is an integer number (74985617202).

Almost surely, 2^149971234403 is an apocalyptic number.

149971234403 is a deficient number, since it is larger than the sum of its proper divisors (1).

149971234403 is an equidigital number, since it uses as much as digits as its factorization.

149971234403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 149971234403 in words is "one hundred forty-nine billion, nine hundred seventy-one million, two hundred thirty-four thousand, four hundred three".