149948884751 has 2 divisors, whose sum is σ = 149948884752. Its totient is φ = 149948884750.

The previous prime is 149948884661. The next prime is 149948884837. The reversal of 149948884751 is 157488849941.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149948884751 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149948880751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74974442375 + 74974442376.

It is an arithmetic number, because the mean of its divisors is an integer number (74974442376).

Almost surely, 2^149948884751 is an apocalyptic number.

149948884751 is a deficient number, since it is larger than the sum of its proper divisors (1).

149948884751 is an equidigital number, since it uses as much as digits as its factorization.

149948884751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92897280, while the sum is 68.

The spelling of 149948884751 in words is "one hundred forty-nine billion, nine hundred forty-eight million, eight hundred eighty-four thousand, seven hundred fifty-one".