2031553604 has 6 divisors (see below), whose sum is σ = 3555218814. Its totient is φ = 1015776800.

The previous prime is 2031553571. The next prime is 2031553621. The reversal of 2031553604 is 4063551302.

It can be written as a sum of positive squares in only one way, i.e., 1039933504 + 991620100 = 32248^2 + 31490^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253944197 + ... + 253944204.

It is an arithmetic number, because the mean of its divisors is an integer number (592536469).

Almost surely, 2^2031553604 is an apocalyptic number.

It is an amenable number.

2031553604 is a deficient number, since it is larger than the sum of its proper divisors (1523665210).

2031553604 is a wasteful number, since it uses less digits than its factorization.

2031553604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507888405 (or 507888403 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2031553604 is about 45072.7590014190. The cubic root of 2031553604 is about 1266.5123489134.

The spelling of 2031553604 in words is "two billion, thirty-one million, five hundred fifty-three thousand, six hundred four".