2742453076421 has 8 divisors (see below), whose sum is σ = 2745153569664. Its totient is φ = 2739753702400.

The previous prime is 2742453076387. The next prime is 2742453076471. The reversal of 2742453076421 is 1246703542472.

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 2742453076421 - 2³⁰ = 2741379334597 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 (2742453076471) 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, 4666181 + ... + 5220933.

It is an arithmetic number, because the mean of its divisors is an integer number (343144196208).

Almost surely, 2^{2742453076421} is an apocalyptic number.

It is an amenable number.

2742453076421 is a deficient number, since it is larger than the sum of its proper divisors (2700493243).

2742453076421 is a wasteful number, since it uses less digits than its factorization.

2742453076421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559611.

The product of its (nonzero) digits is 2257920, while the sum is 47.

The spelling of 2742453076421 in words is "two trillion, seven hundred forty-two billion, four hundred fifty-three million, seventy-six thousand, four hundred twenty-one".