2738515642453 has 2 divisors, whose sum is σ = 2738515642454. Its totient is φ = 2738515642452.

The previous prime is 2738515642319. The next prime is 2738515642487. The reversal of 2738515642453 is 3542465158372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2574686603889 + 163829038564 = 1604583^2 + 404758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2738515642453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2738515642394 and 2738515642403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2738515646453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369257821226 + 1369257821227.

It is an arithmetic number, because the mean of its divisors is an integer number (1369257821227).

Almost surely, 2^{2738515642453} is an apocalyptic number.

It is an amenable number.

2738515642453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2738515642453 is an equidigital number, since it uses as much as digits as its factorization.

2738515642453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192000, while the sum is 55.

The spelling of 2738515642453 in words is "two trillion, seven hundred thirty-eight billion, five hundred fifteen million, six hundred forty-two thousand, four hundred fifty-three".