537040403945 has 4 divisors (see below), whose sum is σ = 644448484740. Its totient is φ = 429632323152.

The previous prime is 537040403863. The next prime is 537040403959. The reversal of 537040403945 is 549304040735.

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 198963278809 + 338077125136 = 446053^2 + 581444^2 .

It is a cyclic number.

It is not a de Polignac number, because 537040403945 - 2¹⁸ = 537040141801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 537040403896 and 537040403905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53704040390 + ... + 53704040399.

It is an arithmetic number, because the mean of its divisors is an integer number (161112121185).

Almost surely, 2^537040403945 is an apocalyptic number.

It is an amenable number.

537040403945 is a deficient number, since it is larger than the sum of its proper divisors (107408080795).

537040403945 is a wasteful number, since it uses less digits than its factorization.

537040403945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107408080794.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 537040403945 in words is "five hundred thirty-seven billion, forty million, four hundred three thousand, nine hundred forty-five".