20349650601487 has 2 divisors, whose sum is σ = 20349650601488. Its totient is φ = 20349650601486.

The previous prime is 20349650601451. The next prime is 20349650601551. The reversal of 20349650601487 is 78410605694302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20349650601487 - 2³⁹ = 19799894787599 is a prime.

It is a super-2 number, since 2×20349650601487² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20349650601437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10174825300743 + 10174825300744.

It is an arithmetic number, because the mean of its divisors is an integer number (10174825300744).

It is a 1-persistent number, because it is pandigital, but 2⋅20349650601487 = 40699301202974 is not.

Almost surely, 2^{20349650601487} is an apocalyptic number.

20349650601487 is a deficient number, since it is larger than the sum of its proper divisors (1).

20349650601487 is an equidigital number, since it uses as much as digits as its factorization.

20349650601487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 20349650601487 in words is "twenty trillion, three hundred forty-nine billion, six hundred fifty million, six hundred one thousand, four hundred eighty-seven".