1342091497 has 2 divisors, whose sum is σ = 1342091498. Its totient is φ = 1342091496.

The previous prime is 1342091489. The next prime is 1342091521. The reversal of 1342091497 is 7941902431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 908660736 + 433430761 = 30144^2 + 20819^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342091497 - 2³ = 1342091489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1342091407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671045748 + 671045749.

It is an arithmetic number, because the mean of its divisors is an integer number (671045749).

Almost surely, 2^1342091497 is an apocalyptic number.

It is an amenable number.

1342091497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342091497 is an equidigital number, since it uses as much as digits as its factorization.

1342091497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1342091497 is about 36634.5669689161. The cubic root of 1342091497 is about 1103.0470604967.

The spelling of 1342091497 in words is "one billion, three hundred forty-two million, ninety-one thousand, four hundred ninety-seven".