3501213687 has 32 divisors (see below), whose sum is σ = 5384448000. Its totient is φ = 2246132160.

The previous prime is 3501213673. The next prime is 3501213701. The reversal of 3501213687 is 7863121053.

It is an interprime number because it is at equal distance from previous prime (3501213673) and next prime (3501213701).

It is not a de Polignac number, because 3501213687 - 2⁶ = 3501213623 is a prime.

It is a super-2 number, since 2×3501213687² = 24516994564072267938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3501213607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138139 + ... + 161507.

It is an arithmetic number, because the mean of its divisors is an integer number (168264000).

Almost surely, 2^3501213687 is an apocalyptic number.

3501213687 is a deficient number, since it is larger than the sum of its proper divisors (1883234313).

3501213687 is a wasteful number, since it uses less digits than its factorization.

3501213687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23588 (or 23582 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3501213687 is about 59171.0544692251. The cubic root of 3501213687 is about 1518.4699641588.

The spelling of 3501213687 in words is "three billion, five hundred one million, two hundred thirteen thousand, six hundred eighty-seven".