2742652221421 has 16 divisors (see below), whose sum is σ = 3326760581760. Its totient is φ = 2207279162880.

The previous prime is 2742652221403. The next prime is 2742652221431. The reversal of 2742652221421 is 1241222562472.

It is a cyclic number.

It is not a de Polignac number, because 2742652221421 - 2¹³ = 2742652213229 is a prime.

It is a super-2 number, since 2×2742652221421² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742652221431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27453120 + ... + 27552841.

It is an arithmetic number, because the mean of its divisors is an integer number (207922536360).

Almost surely, 2^{2742652221421} is an apocalyptic number.

It is an amenable number.

2742652221421 is a deficient number, since it is larger than the sum of its proper divisors (584108360339).

2742652221421 is a wasteful number, since it uses less digits than its factorization.

2742652221421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55006404.

The product of its digits is 215040, while the sum is 40.

Adding to 2742652221421 its reverse (1241222562472), we get a palindrome (3983874783893).

The spelling of 2742652221421 in words is "two trillion, seven hundred forty-two billion, six hundred fifty-two million, two hundred twenty-one thousand, four hundred twenty-one".