149092797787 has 2 divisors, whose sum is σ = 149092797788. Its totient is φ = 149092797786.

The previous prime is 149092797779. The next prime is 149092797817. The reversal of 149092797787 is 787797290941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149092797787 - 2³ = 149092797779 is a prime.

It is not a weakly prime, because it can be changed into another prime (149092797757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74546398893 + 74546398894.

It is an arithmetic number, because the mean of its divisors is an integer number (74546398894).

Almost surely, 2^149092797787 is an apocalyptic number.

149092797787 is a deficient number, since it is larger than the sum of its proper divisors (1).

149092797787 is an equidigital number, since it uses as much as digits as its factorization.

149092797787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112021056, while the sum is 70.

The spelling of 149092797787 in words is "one hundred forty-nine billion, ninety-two million, seven hundred ninety-seven thousand, seven hundred eighty-seven".