1988413055 has 16 divisors (see below), whose sum is σ = 2433340224. Its totient is φ = 1559496960.

The previous prime is 1988412983. The next prime is 1988413073. The reversal of 1988413055 is 5503148891.

It is not a de Polignac number, because 1988413055 - 2¹² = 1988408959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1988412997 and 1988413015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44645 + ... + 77265.

It is an arithmetic number, because the mean of its divisors is an integer number (152083764).

Almost surely, 2^1988413055 is an apocalyptic number.

1988413055 is a deficient number, since it is larger than the sum of its proper divisors (444927169).

1988413055 is a wasteful number, since it uses less digits than its factorization.

1988413055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32866.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 1988413055 is about 44591.6253908736. The cubic root of 1988413055 is about 1257.4832300172.

The spelling of 1988413055 in words is "one billion, nine hundred eighty-eight million, four hundred thirteen thousand, fifty-five".