15329402002 has 4 divisors (see below), whose sum is σ = 22994103006. Its totient is φ = 7664701000.

The previous prime is 15329401991. The next prime is 15329402021. The reversal of 15329402002 is 20020492351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13768440921 + 1560961081 = 117339^2 + 39509^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3832350499 + ... + 3832350502.

Almost surely, 2^15329402002 is an apocalyptic number.

15329402002 is a deficient number, since it is larger than the sum of its proper divisors (7664701004).

15329402002 is an equidigital number, since it uses as much as digits as its factorization.

15329402002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7664701003.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 15329402002 its reverse (20020492351), we get a palindrome (35349894353).

The spelling of 15329402002 in words is "fifteen billion, three hundred twenty-nine million, four hundred two thousand, two".