2197714099391 has 2 divisors, whose sum is σ = 2197714099392. Its totient is φ = 2197714099390.

The previous prime is 2197714099381. The next prime is 2197714099423. The reversal of 2197714099391 is 1939904177912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2197714099391 - 2¹⁸ = 2197713837247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2197714099381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098857049695 + 1098857049696.

It is an arithmetic number, because the mean of its divisors is an integer number (1098857049696).

Almost surely, 2^{2197714099391} is an apocalyptic number.

2197714099391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2197714099391 is an equidigital number, since it uses as much as digits as its factorization.

2197714099391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7715736, while the sum is 62.

The spelling of 2197714099391 in words is "two trillion, one hundred ninety-seven billion, seven hundred fourteen million, ninety-nine thousand, three hundred ninety-one".