113654712421 has 4 divisors (see below), whose sum is σ = 116297845312. Its totient is φ = 111011579532.

The previous prime is 113654712419. The next prime is 113654712463. The reversal of 113654712421 is 124217456311.

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 113654712421 - 2¹ = 113654712419 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 (113654716421) 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, 1321566381 + ... + 1321566466.

It is an arithmetic number, because the mean of its divisors is an integer number (29074461328).

Almost surely, 2^113654712421 is an apocalyptic number.

It is an amenable number.

113654712421 is a deficient number, since it is larger than the sum of its proper divisors (2643132891).

113654712421 is an equidigital number, since it uses as much as digits as its factorization.

113654712421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643132890.

The product of its digits is 40320, while the sum is 37.

The spelling of 113654712421 in words is "one hundred thirteen billion, six hundred fifty-four million, seven hundred twelve thousand, four hundred twenty-one".