3582073981 has 4 divisors (see below), whose sum is σ = 3737816352. Its totient is φ = 3426331612.

The previous prime is 3582073973. The next prime is 3582073987. The reversal of 3582073981 is 1893702853.

3582073981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3582073981 - 2³ = 3582073973 is a prime.

It is a super-2 number, since 2×3582073981² = 25662508010714376722, 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 (3582073987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77871151 + ... + 77871196.

It is an arithmetic number, because the mean of its divisors is an integer number (934454088).

Almost surely, 2^3582073981 is an apocalyptic number.

It is an amenable number.

3582073981 is a deficient number, since it is larger than the sum of its proper divisors (155742371).

3582073981 is a wasteful number, since it uses less digits than its factorization.

3582073981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155742370.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 3582073981 is about 59850.4300819969. The cubic root of 3582073981 is about 1530.0707645229.

The spelling of 3582073981 in words is "three billion, five hundred eighty-two million, seventy-three thousand, nine hundred eighty-one".