3500401631 has 2 divisors, whose sum is σ = 3500401632. Its totient is φ = 3500401630.

The previous prime is 3500401603. The next prime is 3500401699. The reversal of 3500401631 is 1361040053.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3500401631 - 2²² = 3496207327 is a prime.

It is a super-2 number, since 2×3500401631² = 24505623156614920322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3500401597 and 3500401606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3500401831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1750200815 + 1750200816.

It is an arithmetic number, because the mean of its divisors is an integer number (1750200816).

Almost surely, 2^3500401631 is an apocalyptic number.

3500401631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3500401631 is an equidigital number, since it uses as much as digits as its factorization.

3500401631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3500401631 is about 59164.1921351082. The cubic root of 3500401631 is about 1518.3525593482.

Adding to 3500401631 its reverse (1361040053), we get a palindrome (4861441684).

The spelling of 3500401631 in words is "three billion, five hundred million, four hundred one thousand, six hundred thirty-one".