149397009793 has 2 divisors, whose sum is σ = 149397009794. Its totient is φ = 149397009792.

The previous prime is 149397009763. The next prime is 149397009833. The reversal of 149397009793 is 397900793941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101316799809 + 48080209984 = 318303^2 + 219272^2 .

It is a cyclic number.

It is not a de Polignac number, because 149397009793 - 2¹⁷ = 149396878721 is a prime.

It is not a weakly prime, because it can be changed into another prime (149397009763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74698504896 + 74698504897.

It is an arithmetic number, because the mean of its divisors is an integer number (74698504897).

Almost surely, 2^149397009793 is an apocalyptic number.

It is an amenable number.

149397009793 is a deficient number, since it is larger than the sum of its proper divisors (1).

149397009793 is an equidigital number, since it uses as much as digits as its factorization.

149397009793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11573604, while the sum is 61.

The spelling of 149397009793 in words is "one hundred forty-nine billion, three hundred ninety-seven million, nine thousand, seven hundred ninety-three".