2642585801 has 2 divisors, whose sum is σ = 2642585802. Its totient is φ = 2642585800.

The previous prime is 2642585783. The next prime is 2642585807. The reversal of 2642585801 is 1085852462.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2204772025 + 437813776 = 46955^2 + 20924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2642585801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2642585807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321292900 + 1321292901.

It is an arithmetic number, because the mean of its divisors is an integer number (1321292901).

Almost surely, 2^2642585801 is an apocalyptic number.

It is an amenable number.

2642585801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642585801 is an equidigital number, since it uses as much as digits as its factorization.

2642585801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 2642585801 is about 51406.0871979185. The cubic root of 2642585801 is about 1382.5357356090.

The spelling of 2642585801 in words is "two billion, six hundred forty-two million, five hundred eighty-five thousand, eight hundred one".