1491850114 has 4 divisors (see below), whose sum is σ = 2237775174. Its totient is φ = 745925056.

The previous prime is 1491850111. The next prime is 1491850117. The reversal of 1491850114 is 4110581941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4110581941 = 211 ⋅19481431.

It is an interprime number because it is at equal distance from previous prime (1491850111) and next prime (1491850117).

It can be written as a sum of positive squares in only one way, i.e., 1051899489 + 439950625 = 32433^2 + 20975^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1491850114.

It is not an unprimeable number, because it can be changed into a prime (1491850111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372962527 + ... + 372962530.

Almost surely, 2^1491850114 is an apocalyptic number.

1491850114 is a deficient number, since it is larger than the sum of its proper divisors (745925060).

1491850114 is an equidigital number, since it uses as much as digits as its factorization.

1491850114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745925059.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 1491850114 is about 38624.4755822005. The cubic root of 1491850114 is about 1142.6373007953.

The spelling of 1491850114 in words is "one billion, four hundred ninety-one million, eight hundred fifty thousand, one hundred fourteen".