42452402537 has 4 divisors (see below), whose sum is σ = 42477244740. Its totient is φ = 42427560336.

The previous prime is 42452402483. The next prime is 42452402539. The reversal of 42452402537 is 73520425424.

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 15381952576 + 27070449961 = 124024^2 + 164531^2 .

It is a cyclic number.

It is not a de Polignac number, because 42452402537 - 2¹⁴ = 42452386153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42452402537.

It is not an unprimeable number, because it can be changed into a prime (42452402539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12418538 + ... + 12421955.

It is an arithmetic number, because the mean of its divisors is an integer number (10619311185).

Almost surely, 2^42452402537 is an apocalyptic number.

It is an amenable number.

42452402537 is a deficient number, since it is larger than the sum of its proper divisors (24842203).

42452402537 is a wasteful number, since it uses less digits than its factorization.

42452402537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24842202.

The product of its (nonzero) digits is 268800, while the sum is 38.

The spelling of 42452402537 in words is "forty-two billion, four hundred fifty-two million, four hundred two thousand, five hundred thirty-seven".