2142245214497 has 4 divisors (see below), whose sum is σ = 2142727597956. Its totient is φ = 2141762831040.

The previous prime is 2142245214397. The next prime is 2142245214547. The reversal of 2142245214497 is 7944125422412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 261943334416 + 1880301880081 = 511804^2 + 1371241^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142245214497 - 2¹⁰ = 2142245213473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142245214097) 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, 241185068 + ... + 241193949.

It is an arithmetic number, because the mean of its divisors is an integer number (535681899489).

Almost surely, 2^{2142245214497} is an apocalyptic number.

It is an amenable number.

2142245214497 is a deficient number, since it is larger than the sum of its proper divisors (482383459).

2142245214497 is an equidigital number, since it uses as much as digits as its factorization.

2142245214497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482383458.

The product of its digits is 1290240, while the sum is 47.

The spelling of 2142245214497 in words is "two trillion, one hundred forty-two billion, two hundred forty-five million, two hundred fourteen thousand, four hundred ninety-seven".