2774531938 has 8 divisors (see below), whose sum is σ = 4165527132. Its totient is φ = 1386022896.

The previous prime is 2774531933. The next prime is 2774531941. The reversal of 2774531938 is 8391354772.

It can be written as a sum of positive squares in 2 ways, for example, as 2757615169 + 16916769 = 52513^2 + 4113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2774531891 and 2774531900.

It is not an unprimeable number, because it can be changed into a prime (2774531933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618745 + ... + 623212.

Almost surely, 2^2774531938 is an apocalyptic number.

2774531938 is a deficient number, since it is larger than the sum of its proper divisors (1390995194).

2774531938 is a wasteful number, since it uses less digits than its factorization.

2774531938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243076.

The product of its digits is 1270080, while the sum is 49.

The square root of 2774531938 is about 52673.8259290134. The cubic root of 2774531938 is about 1405.1733659756.

The spelling of 2774531938 in words is "two billion, seven hundred seventy-four million, five hundred thirty-one thousand, nine hundred thirty-eight".