42621842737 has 8 divisors (see below), whose sum is σ = 43014434400. Its totient is φ = 42229521600.

The previous prime is 42621842671. The next prime is 42621842749. The reversal of 42621842737 is 73724812624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42621842737 - 2⁷ = 42621842609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42621842537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256014 + ... + 388312.

It is an arithmetic number, because the mean of its divisors is an integer number (5376804300).

Almost surely, 2^42621842737 is an apocalyptic number.

It is an amenable number.

42621842737 is a deficient number, since it is larger than the sum of its proper divisors (392591663).

42621842737 is a wasteful number, since it uses less digits than its factorization.

42621842737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135263.

The product of its digits is 903168, while the sum is 46.

The spelling of 42621842737 in words is "forty-two billion, six hundred twenty-one million, eight hundred forty-two thousand, seven hundred thirty-seven".