20377011723763 has 2 divisors, whose sum is σ = 20377011723764. Its totient is φ = 20377011723762.

The previous prime is 20377011723727. The next prime is 20377011723767. The reversal of 20377011723763 is 36732711077302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20377011723763 is a prime.

It is not a weakly prime, because it can be changed into another prime (20377011723767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10188505861881 + 10188505861882.

It is an arithmetic number, because the mean of its divisors is an integer number (10188505861882).

Almost surely, 2^{20377011723763} is an apocalyptic number.

20377011723763 is a deficient number, since it is larger than the sum of its proper divisors (1).

20377011723763 is an equidigital number, since it uses as much as digits as its factorization.

20377011723763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555848, while the sum is 49.

The spelling of 20377011723763 in words is "twenty trillion, three hundred seventy-seven billion, eleven million, seven hundred twenty-three thousand, seven hundred sixty-three".