1649462360939 has 2 divisors, whose sum is σ = 1649462360940. Its totient is φ = 1649462360938.

The previous prime is 1649462360921. The next prime is 1649462360983. The reversal of 1649462360939 is 9390632649461.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1649462360939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1649462362939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 824731180469 + 824731180470.

It is an arithmetic number, because the mean of its divisors is an integer number (824731180470).

Almost surely, 2^{1649462360939} is an apocalyptic number.

1649462360939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1649462360939 is an equidigital number, since it uses as much as digits as its factorization.

1649462360939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45349632, while the sum is 62.

The spelling of 1649462360939 in words is "one trillion, six hundred forty-nine billion, four hundred sixty-two million, three hundred sixty thousand, nine hundred thirty-nine".