1402740893 has 2 divisors, whose sum is σ = 1402740894. Its totient is φ = 1402740892.

The previous prime is 1402740847. The next prime is 1402740901. The reversal of 1402740893 is 3980472041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1393752889 + 8988004 = 37333^2 + 2998^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402740893 - 2⁸ = 1402740637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402740593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701370446 + 701370447.

It is an arithmetic number, because the mean of its divisors is an integer number (701370447).

Almost surely, 2^1402740893 is an apocalyptic number.

It is an amenable number.

1402740893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402740893 is an equidigital number, since it uses as much as digits as its factorization.

1402740893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1402740893 is about 37453.1826818496. The cubic root of 1402740893 is about 1119.4185153855.

The spelling of 1402740893 in words is "one billion, four hundred two million, seven hundred forty thousand, eight hundred ninety-three".