3970280911 has 4 divisors (see below), whose sum is σ = 3974447952. Its totient is φ = 3966113872.

The previous prime is 3970280891. The next prime is 3970280917. The reversal of 3970280911 is 1190820793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1190820793 = 7639 ⋅155887.

It is a cyclic number.

It is not a de Polignac number, because 3970280911 - 2¹⁵ = 3970248143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970280917) 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, 2082091 + ... + 2083996.

It is an arithmetic number, because the mean of its divisors is an integer number (993611988).

Almost surely, 2^3970280911 is an apocalyptic number.

3970280911 is a deficient number, since it is larger than the sum of its proper divisors (4167041).

3970280911 is an equidigital number, since it uses as much as digits as its factorization.

3970280911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167040.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 3970280911 is about 63010.1651402375. The cubic root of 3970280911 is about 1583.4599324909.

The spelling of 3970280911 in words is "three billion, nine hundred seventy million, two hundred eighty thousand, nine hundred eleven".