2496421138421 has 8 divisors (see below), whose sum is σ = 2853585953664. Its totient is φ = 2139389629200.

The previous prime is 2496421138417. The next prime is 2496421138451. The reversal of 2496421138421 is 1248311246942.

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 2496421138421 - 2² = 2496421138417 is a prime.

It is a super-3 number, since 3×2496421138421³ (a number of 38 digits) contains 333 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 (2496421138451) 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, 33286370 + ... + 33361283.

It is an arithmetic number, because the mean of its divisors is an integer number (356698244208).

Almost surely, 2^{2496421138421} is an apocalyptic number.

It is an amenable number.

2496421138421 is a deficient number, since it is larger than the sum of its proper divisors (357164815243).

2496421138421 is an equidigital number, since it uses as much as digits as its factorization.

2496421138421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66653011.

The product of its digits is 663552, while the sum is 47.

The spelling of 2496421138421 in words is "two trillion, four hundred ninety-six billion, four hundred twenty-one million, one hundred thirty-eight thousand, four hundred twenty-one".