2506443472901 has 2 divisors, whose sum is σ = 2506443472902. Its totient is φ = 2506443472900.

The previous prime is 2506443472837. The next prime is 2506443472931. The reversal of 2506443472901 is 1092743446052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2131232095876 + 375211377025 = 1459874^2 + 612545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2506443472901 - 2⁶ = 2506443472837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2506443472931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253221736450 + 1253221736451.

It is an arithmetic number, because the mean of its divisors is an integer number (1253221736451).

Almost surely, 2^{2506443472901} is an apocalyptic number.

It is an amenable number.

2506443472901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506443472901 is an equidigital number, since it uses as much as digits as its factorization.

2506443472901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 2506443472901 in words is "two trillion, five hundred six billion, four hundred forty-three million, four hundred seventy-two thousand, nine hundred one".