3498944687 has 4 divisors (see below), whose sum is σ = 3998793936. Its totient is φ = 2999095440.

The previous prime is 3498944663. The next prime is 3498944699. The reversal of 3498944687 is 7864498943.

3498944687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3498944687 - 2⁶ = 3498944623 is a prime.

It is a super-2 number, since 2×3498944687² = 24485227845371055938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3498944887) 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, 249924614 + ... + 249924627.

It is an arithmetic number, because the mean of its divisors is an integer number (999698484).

Almost surely, 2^3498944687 is an apocalyptic number.

3498944687 is a deficient number, since it is larger than the sum of its proper divisors (499849249).

3498944687 is an equidigital number, since it uses as much as digits as its factorization.

3498944687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499849248.

The product of its digits is 41803776, while the sum is 62.

The square root of 3498944687 is about 59151.8781358631. The cubic root of 3498944687 is about 1518.1418728927.

The spelling of 3498944687 in words is "three billion, four hundred ninety-eight million, nine hundred forty-four thousand, six hundred eighty-seven".