697745013 has 8 divisors (see below), whose sum is σ = 1063230528. Its totient is φ = 398711424.

The previous prime is 697744981. The next prime is 697745029. The reversal of 697745013 is 310547796.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 697745013 - 2⁵ = 697744981 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697745063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16612956 + ... + 16612997.

It is an arithmetic number, because the mean of its divisors is an integer number (132903816).

Almost surely, 2^697745013 is an apocalyptic number.

It is an amenable number.

697745013 is a deficient number, since it is larger than the sum of its proper divisors (365485515).

697745013 is a wasteful number, since it uses less digits than its factorization.

697745013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33225963.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 697745013 is about 26414.8634863026. The cubic root of 697745013 is about 886.9495418287.

The spelling of 697745013 in words is "six hundred ninety-seven million, seven hundred forty-five thousand, thirteen".