1494192761 has 2 divisors, whose sum is σ = 1494192762. Its totient is φ = 1494192760.

The previous prime is 1494192751. The next prime is 1494192773. The reversal of 1494192761 is 1672914941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1200276025 + 293916736 = 34645^2 + 17144^2 .

It is a cyclic number.

It is not a de Polignac number, because 1494192761 - 2⁶ = 1494192697 is a prime.

It is a super-2 number, since 2×1494192761² = 4465224014049606242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1494192701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747096380 + 747096381.

It is an arithmetic number, because the mean of its divisors is an integer number (747096381).

Almost surely, 2^1494192761 is an apocalyptic number.

It is an amenable number.

1494192761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494192761 is an equidigital number, since it uses as much as digits as its factorization.

1494192761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 44.

The square root of 1494192761 is about 38654.7896256078. The cubic root of 1494192761 is about 1143.2350811219.

The spelling of 1494192761 in words is "one billion, four hundred ninety-four million, one hundred ninety-two thousand, seven hundred sixty-one".