42621710053 has 6 divisors (see below), whose sum is σ = 45901104774. Its totient is φ = 39342429864.

The previous prime is 42621710051. The next prime is 42621710059. The reversal of 42621710053 is 35001712624.

It can be written as a sum of positive squares in only one way, i.e., 29507337729 + 13114372324 = 171777^2 + 114518^2 .

It is not a de Polignac number, because 42621710053 - 2¹ = 42621710051 is a prime.

It is a super-2 number, since 2×42621710053² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42621709997 and 42621710024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42621710051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 715738 + ... + 772996.

It is an arithmetic number, because the mean of its divisors is an integer number (7650184129).

Almost surely, 2^42621710053 is an apocalyptic number.

It is an amenable number.

42621710053 is a deficient number, since it is larger than the sum of its proper divisors (3279394721).

42621710053 is an frugal number, since it uses more digits than its factorization.

42621710053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114531 (or 57272 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 42621710053 in words is "forty-two billion, six hundred twenty-one million, seven hundred ten thousand, fifty-three".