13642520453763 has 16 divisors (see below), whose sum is σ = 18222091792800. Its totient is φ = 9078995402496.

The previous prime is 13642520453759. The next prime is 13642520453767. The reversal of 13642520453763 is 36735402524631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13642520453759) and next prime (13642520453767).

It is not a de Polignac number, because 13642520453763 - 2² = 13642520453759 is a prime.

It is a super-2 number, since 2×13642520453763² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13642520453767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2140581 + ... + 5645097.

It is an arithmetic number, because the mean of its divisors is an integer number (1138880737050).

Almost surely, 2^{13642520453763} is an apocalyptic number.

13642520453763 is a deficient number, since it is larger than the sum of its proper divisors (4579571339037).

13642520453763 is a wasteful number, since it uses less digits than its factorization.

13642520453763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506806.

The product of its (nonzero) digits is 10886400, while the sum is 51.

The spelling of 13642520453763 in words is "thirteen trillion, six hundred forty-two billion, five hundred twenty million, four hundred fifty-three thousand, seven hundred sixty-three".