3967484797461 has 4 divisors (see below), whose sum is σ = 5289979729952. Its totient is φ = 2644989864972.

The previous prime is 3967484797427. The next prime is 3967484797477. The reversal of 3967484797461 is 1647974847693.

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 not a de Polignac number, because 3967484797461 - 2⁷ = 3967484797333 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 (3967484797411) 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, 661247466241 + ... + 661247466246.

It is an arithmetic number, because the mean of its divisors is an integer number (1322494932488).

Almost surely, 2^{3967484797461} is an apocalyptic number.

It is an amenable number.

3967484797461 is a deficient number, since it is larger than the sum of its proper divisors (1322494932491).

3967484797461 is a wasteful number, since it uses less digits than its factorization.

3967484797461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322494932490.

The product of its digits is 1536288768, while the sum is 75.

The spelling of 3967484797461 in words is "three trillion, nine hundred sixty-seven billion, four hundred eighty-four million, seven hundred ninety-seven thousand, four hundred sixty-one".