49609681607 has 2 divisors, whose sum is σ = 49609681608. Its totient is φ = 49609681606.

The previous prime is 49609681591. The next prime is 49609681651. The reversal of 49609681607 is 70618690694.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49609681607 - 2⁴ = 49609681591 is a prime.

It is a super-2 number, since 2×49609681607² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49609681657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24804840803 + 24804840804.

It is an arithmetic number, because the mean of its divisors is an integer number (24804840804).

Almost surely, 2^49609681607 is an apocalyptic number.

49609681607 is a deficient number, since it is larger than the sum of its proper divisors (1).

49609681607 is an equidigital number, since it uses as much as digits as its factorization.

49609681607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 49609681607 in words is "forty-nine billion, six hundred nine million, six hundred eighty-one thousand, six hundred seven".