153799989802 has 4 divisors (see below), whose sum is σ = 230699984706. Its totient is φ = 76899994900.

The previous prime is 153799989779. The next prime is 153799989803. The reversal of 153799989802 is 208989997351.

153799989802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 208989997351 = 1033 ⋅202313647.

It can be written as a sum of positive squares in only one way, i.e., 107622707481 + 46177282321 = 328059^2 + 214889^2 .

It is not an unprimeable number, because it can be changed into a prime (153799989803) 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 as a sum of consecutive naturals, namely, 38449997449 + ... + 38449997452.

Almost surely, 2^153799989802 is an apocalyptic number.

153799989802 is a deficient number, since it is larger than the sum of its proper divisors (76899994904).

153799989802 is an equidigital number, since it uses as much as digits as its factorization.

153799989802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76899994903.

The product of its (nonzero) digits is 88179840, while the sum is 70.

The spelling of 153799989802 in words is "one hundred fifty-three billion, seven hundred ninety-nine million, nine hundred eighty-nine thousand, eight hundred two".