2742521516507 has 2 divisors, whose sum is σ = 2742521516508. Its totient is φ = 2742521516506.

The previous prime is 2742521516453. The next prime is 2742521516519. The reversal of 2742521516507 is 7056151252472.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2742521516507 - 2²⁴ = 2742504739291 is a prime.

It is not a weakly prime, because it can be changed into another prime (2742521518507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371260758253 + 1371260758254.

It is an arithmetic number, because the mean of its divisors is an integer number (1371260758254).

Almost surely, 2^{2742521516507} is an apocalyptic number.

2742521516507 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742521516507 is an equidigital number, since it uses as much as digits as its factorization.

2742521516507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176000, while the sum is 47.

Adding to 2742521516507 its reverse (7056151252472), we get a palindrome (9798672768979).

The spelling of 2742521516507 in words is "two trillion, seven hundred forty-two billion, five hundred twenty-one million, five hundred sixteen thousand, five hundred seven".