2631742804 has 6 divisors (see below), whose sum is σ = 4605549914. Its totient is φ = 1315871400.

The previous prime is 2631742787. The next prime is 2631742807. The reversal of 2631742804 is 4082471362.

It can be written as a sum of positive squares in only one way, i.e., 1940578704 + 691164100 = 44052^2 + 26290^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631742807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328967847 + ... + 328967854.

Almost surely, 2^2631742804 is an apocalyptic number.

It is an amenable number.

2631742804 is a deficient number, since it is larger than the sum of its proper divisors (1973807110).

2631742804 is a wasteful number, since it uses less digits than its factorization.

2631742804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657935705 (or 657935703 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 2631742804 is about 51300.5146562878. The cubic root of 2631742804 is about 1380.6422138625.

The spelling of 2631742804 in words is "two billion, six hundred thirty-one million, seven hundred forty-two thousand, eight hundred four".