1406776302913 has 2 divisors, whose sum is σ = 1406776302914. Its totient is φ = 1406776302912.

The previous prime is 1406776302803. The next prime is 1406776302929. The reversal of 1406776302913 is 3192036776041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1400274622224 + 6501680689 = 1183332^2 + 80633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1406776302913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1406776302973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703388151456 + 703388151457.

It is an arithmetic number, because the mean of its divisors is an integer number (703388151457).

Almost surely, 2^{1406776302913} is an apocalyptic number.

It is an amenable number.

1406776302913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406776302913 is an equidigital number, since it uses as much as digits as its factorization.

1406776302913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 1406776302913 in words is "one trillion, four hundred six billion, seven hundred seventy-six million, three hundred two thousand, nine hundred thirteen".