194294015963 has 2 divisors, whose sum is σ = 194294015964. Its totient is φ = 194294015962.

The previous prime is 194294015957. The next prime is 194294016031. The reversal of 194294015963 is 369510492491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194294015963 - 2⁴ = 194294015947 is a prime.

It is not a weakly prime, because it can be changed into another prime (194294915963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97147007981 + 97147007982.

It is an arithmetic number, because the mean of its divisors is an integer number (97147007982).

Almost surely, 2^194294015963 is an apocalyptic number.

194294015963 is a deficient number, since it is larger than the sum of its proper divisors (1).

194294015963 is an equidigital number, since it uses as much as digits as its factorization.

194294015963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 194294015963 in words is "one hundred ninety-four billion, two hundred ninety-four million, fifteen thousand, nine hundred sixty-three".