15490464098 has 6 divisors (see below), whose sum is σ = 23235960171. Its totient is φ = 7745144042.

The previous prime is 15490464079. The next prime is 15490464103. The reversal of 15490464098 is 89046409451.

It can be written as a sum of positive squares in only one way, i.e., 7745232049 + 7745232049 = 88007^2 + 88007^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=88007.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 132011 + ... + 220017.

Almost surely, 2^15490464098 is an apocalyptic number.

15490464098 is a deficient number, since it is larger than the sum of its proper divisors (7745496073).

15490464098 is an frugal number, since it uses more digits than its factorization.

15490464098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176016 (or 88009 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

Multiplying 15490464098 by its sum of digits (50), we get a square (774523204900 = 880070²).

The spelling of 15490464098 in words is "fifteen billion, four hundred ninety million, four hundred sixty-four thousand, ninety-eight".