2545709598783 has 36 divisors (see below), whose sum is σ = 3985549167600. Its totient is φ = 1565096128128.

The previous prime is 2545709598767. The next prime is 2545709598791. The reversal of 2545709598783 is 3878959075452.

2545709598783 is a `hidden beast` number, since 2 + 5 + 457 + 0 + 9 + 5 + 98 + 7 + 83 = 666.

It is a Cunningham number, because it is equal to 1595528²-1.

It is not a de Polignac number, because 2545709598783 - 2⁴ = 2545709598767 is a prime.

It is a super-2 number, since 2×2545709598783² (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 (2545709598083) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 797766 + ... + 2393292.

It is an arithmetic number, because the mean of its divisors is an integer number (110709699100).

Almost surely, 2^{2545709598783} is an apocalyptic number.

2545709598783 is a deficient number, since it is larger than the sum of its proper divisors (1439839568817).

2545709598783 is a wasteful number, since it uses less digits than its factorization.

2545709598783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596608 (or 1596592 counting only the distinct ones).

The product of its (nonzero) digits is 762048000, while the sum is 72.

The spelling of 2545709598783 in words is "two trillion, five hundred forty-five billion, seven hundred nine million, five hundred ninety-eight thousand, seven hundred eighty-three".