3048991687 has 4 divisors (see below), whose sum is σ = 3484561936. Its totient is φ = 2613421440.

The previous prime is 3048991663. The next prime is 3048991703. The reversal of 3048991687 is 7861998403.

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

It is not a de Polignac number, because 3048991687 - 2⁷ = 3048991559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3048991087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217785114 + ... + 217785127.

It is an arithmetic number, because the mean of its divisors is an integer number (871140484).

Almost surely, 2^3048991687 is an apocalyptic number.

3048991687 is a deficient number, since it is larger than the sum of its proper divisors (435570249).

3048991687 is an equidigital number, since it uses as much as digits as its factorization.

3048991687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435570248.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 3048991687 is about 55217.6754943560. The cubic root of 3048991687 is about 1450.0581327466.

The spelling of 3048991687 in words is "three billion, forty-eight million, nine hundred ninety-one thousand, six hundred eighty-seven".