4661869898 has 12 divisors (see below), whose sum is σ = 8134487442. Its totient is φ = 1997944200.

The previous prime is 4661869879. The next prime is 4661869903. The reversal of 4661869898 is 8989681664.

It can be written as a sum of positive squares in only one way, i.e., 4157283529 + 504586369 = 64477^2 + 22463^2 .

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 5 ways as a sum of consecutive naturals, for example, 23784953 + ... + 23785148.

Almost surely, 2^4661869898 is an apocalyptic number.

4661869898 is a deficient number, since it is larger than the sum of its proper divisors (3472617544).

4661869898 is a wasteful number, since it uses less digits than its factorization.

4661869898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47570117 (or 47570110 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 65.

The square root of 4661869898 is about 68277.8873281826. The cubic root of 4661869898 is about 1670.5265527379.

The spelling of 4661869898 in words is "four billion, six hundred sixty-one million, eight hundred sixty-nine thousand, eight hundred ninety-eight".