5461239639 has 16 divisors (see below), whose sum is σ = 7460918784. Its totient is φ = 3551419200.

The previous prime is 5461239617. The next prime is 5461239643. The reversal of 5461239639 is 9369321645.

It is not a de Polignac number, because 5461239639 - 2⁸ = 5461239383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5461239689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70354 + ... + 125984.

It is an arithmetic number, because the mean of its divisors is an integer number (466307424).

Almost surely, 2^5461239639 is an apocalyptic number.

5461239639 is a deficient number, since it is larger than the sum of its proper divisors (1999679145).

5461239639 is a wasteful number, since it uses less digits than its factorization.

5461239639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56438.

The product of its digits is 1049760, while the sum is 48.

The square root of 5461239639 is about 73900.2005342340. The cubic root of 5461239639 is about 1761.0177953206.

The spelling of 5461239639 in words is "five billion, four hundred sixty-one million, two hundred thirty-nine thousand, six hundred thirty-nine".