149419553743 has 2 divisors, whose sum is σ = 149419553744. Its totient is φ = 149419553742.

The previous prime is 149419553707. The next prime is 149419553783. The reversal of 149419553743 is 347355914941.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149419553743 - 2¹⁷ = 149419422671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149419553783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74709776871 + 74709776872.

It is an arithmetic number, because the mean of its divisors is an integer number (74709776872).

Almost surely, 2^149419553743 is an apocalyptic number.

149419553743 is a deficient number, since it is larger than the sum of its proper divisors (1).

149419553743 is an equidigital number, since it uses as much as digits as its factorization.

149419553743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 55.

The spelling of 149419553743 in words is "one hundred forty-nine billion, four hundred nineteen million, five hundred fifty-three thousand, seven hundred forty-three".