1492216738 has 4 divisors (see below), whose sum is σ = 2238325110. Its totient is φ = 746108368.

The previous prime is 1492216729. The next prime is 1492216751. The reversal of 1492216738 is 8376122941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8376122941 = 1997 ⋅4194353.

It can be written as a sum of positive squares in only one way, i.e., 1353283369 + 138933369 = 36787^2 + 11787^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1492216694 and 1492216703.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373054183 + ... + 373054186.

Almost surely, 2^1492216738 is an apocalyptic number.

1492216738 is a deficient number, since it is larger than the sum of its proper divisors (746108372).

1492216738 is an equidigital number, since it uses as much as digits as its factorization.

1492216738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746108371.

The product of its digits is 145152, while the sum is 43.

The square root of 1492216738 is about 38629.2212968369. The cubic root of 1492216738 is about 1142.7308946361.

The spelling of 1492216738 in words is "one billion, four hundred ninety-two million, two hundred sixteen thousand, seven hundred thirty-eight".