694432961371 has 2 divisors, whose sum is σ = 694432961372. Its totient is φ = 694432961370.

The previous prime is 694432961353. The next prime is 694432961399. The reversal of 694432961371 is 173169234496.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 694432961371 - 2¹¹ = 694432959323 is a prime.

It is not a weakly prime, because it can be changed into another prime (694432961311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347216480685 + 347216480686.

It is an arithmetic number, because the mean of its divisors is an integer number (347216480686).

Almost surely, 2^694432961371 is an apocalyptic number.

694432961371 is a deficient number, since it is larger than the sum of its proper divisors (1).

694432961371 is an equidigital number, since it uses as much as digits as its factorization.

694432961371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 55.

The spelling of 694432961371 in words is "six hundred ninety-four billion, four hundred thirty-two million, nine hundred sixty-one thousand, three hundred seventy-one".