3263701981 has 8 divisors (see below), whose sum is σ = 3328026624. Its totient is φ = 3200005200.

The previous prime is 3263701951. The next prime is 3263701993. The reversal of 3263701981 is 1891073623.

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 3263701981 - 2¹⁷ = 3263570909 is a prime.

It is a super-2 number, since 2×3263701981² = 21303501241566648722, 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 (3263701901) 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, 146461 + ... + 167266.

It is an arithmetic number, because the mean of its divisors is an integer number (416003328).

Almost surely, 2^3263701981 is an apocalyptic number.

It is an amenable number.

3263701981 is a deficient number, since it is larger than the sum of its proper divisors (64324643).

3263701981 is a wasteful number, since it uses less digits than its factorization.

3263701981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313931.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3263701981 is about 57128.8191808653. The cubic root of 3263701981 is about 1483.3267599871.

The spelling of 3263701981 in words is "three billion, two hundred sixty-three million, seven hundred one thousand, nine hundred eighty-one".