3523686731 has 8 divisors (see below), whose sum is σ = 3689113680. Its totient is φ = 3361187872.

The previous prime is 3523686721. The next prime is 3523686737. The reversal of 3523686731 is 1376863253.

3523686731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3523686731 - 2¹⁰ = 3523685707 is a prime.

It is a super-2 number, since 2×3523686731² = 24832736356450932722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3523686737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729560 + ... + 734373.

It is an arithmetic number, because the mean of its divisors is an integer number (461139210).

Almost surely, 2^3523686731 is an apocalyptic number.

3523686731 is a deficient number, since it is larger than the sum of its proper divisors (165426949).

3523686731 is a wasteful number, since it uses less digits than its factorization.

3523686731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464045.

The product of its digits is 544320, while the sum is 44.

The square root of 3523686731 is about 59360.6496847870. The cubic root of 3523686731 is about 1521.7118771348.

The spelling of 3523686731 in words is "three billion, five hundred twenty-three million, six hundred eighty-six thousand, seven hundred thirty-one".