149434597683 has 320 divisors, whose sum is σ = 288084418560. Its totient is φ = 76281004800.

The previous prime is 149434597681. The next prime is 149434597691. The reversal of 149434597683 is 386795434941.

149434597683 is a `hidden beast` number, since 1 + 4 + 9 + 4 + 34 + 597 + 6 + 8 + 3 = 666.

149434597683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149434597683 - 2¹ = 149434597681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 149434597683.

It is not an unprimeable number, because it can be changed into a prime (149434597681) by changing a digit.

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 319 ways as a sum of consecutive naturals, for example, 2449747473 + ... + 2449747533.

It is an arithmetic number, because the mean of its divisors is an integer number (900263808).

Almost surely, 2^149434597683 is an apocalyptic number.

149434597683 is a deficient number, since it is larger than the sum of its proper divisors (138649820877).

149434597683 is an equidigital number, since it uses as much as digits as its factorization.

149434597683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 178 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 63.

The spelling of 149434597683 in words is "one hundred forty-nine billion, four hundred thirty-four million, five hundred ninety-seven thousand, six hundred eighty-three".