149473397490 has 16 divisors (see below), whose sum is σ = 358736154048. Its totient is φ = 39859572656.

The previous prime is 149473397473. The next prime is 149473397501. The reversal of 149473397490 is 94793374941.

149473397490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2491223262 + ... + 2491223321.

It is an arithmetic number, because the mean of its divisors is an integer number (22421009628).

Almost surely, 2^149473397490 is an apocalyptic number.

149473397490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149473397490 is an abundant number, since it is smaller than the sum of its proper divisors (209262756558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149473397490 is a wasteful number, since it uses less digits than its factorization.

149473397490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982446593.

The product of its (nonzero) digits is 20575296, while the sum is 60.

The spelling of 149473397490 in words is "one hundred forty-nine billion, four hundred seventy-three million, three hundred ninety-seven thousand, four hundred ninety".