3261915801 has 48 divisors (see below), whose sum is σ = 5090525440. Its totient is φ = 2006091360.

The previous prime is 3261915799. The next prime is 3261915803. The reversal of 3261915801 is 1085191623.

3261915801 is a `hidden beast` number, since 32 + 619 + 1 + 5 + 8 + 0 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (3261915799) and next prime (3261915803).

It is not a de Polignac number, because 3261915801 - 2¹ = 3261915799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3261915803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4021686 + ... + 4022496.

Almost surely, 2^3261915801 is an apocalyptic number.

It is an amenable number.

3261915801 is a deficient number, since it is larger than the sum of its proper divisors (1828609639).

3261915801 is a wasteful number, since it uses less digits than its factorization.

3261915801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 3261915801 is about 57113.1841259091. The cubic root of 3261915801 is about 1483.0561090415.

The spelling of 3261915801 in words is "three billion, two hundred sixty-one million, nine hundred fifteen thousand, eight hundred one".