2545136269379 has 16 divisors (see below), whose sum is σ = 2802797648640. Its totient is φ = 2291868099360.

The previous prime is 2545136269369. The next prime is 2545136269469. The reversal of 2545136269379 is 9739626315452.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2545136269379 - 2¹⁶ = 2545136203843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545136269369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3850802 + ... + 4463064.

It is an arithmetic number, because the mean of its divisors is an integer number (175174853040).

Almost surely, 2^{2545136269379} is an apocalyptic number.

2545136269379 is a deficient number, since it is larger than the sum of its proper divisors (257661379261).

2545136269379 is a wasteful number, since it uses less digits than its factorization.

2545136269379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615850.

The product of its digits is 73483200, while the sum is 62.

The spelling of 2545136269379 in words is "two trillion, five hundred forty-five billion, one hundred thirty-six million, two hundred sixty-nine thousand, three hundred seventy-nine".