694670141 has 4 divisors (see below), whose sum is σ = 757821984. Its totient is φ = 631518300.

The previous prime is 694670113. The next prime is 694670143. The reversal of 694670141 is 141076496.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 694670141 - 2¹⁸ = 694407997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 694670095 and 694670104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694670143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31575905 + ... + 31575926.

It is an arithmetic number, because the mean of its divisors is an integer number (189455496).

Almost surely, 2^694670141 is an apocalyptic number.

It is an amenable number.

694670141 is a deficient number, since it is larger than the sum of its proper divisors (63151843).

694670141 is a wasteful number, since it uses less digits than its factorization.

694670141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63151842.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 694670141 is about 26356.5957779073. The cubic root of 694670141 is about 885.6447326125.

The spelling of 694670141 in words is "six hundred ninety-four million, six hundred seventy thousand, one hundred forty-one".