669001701 has 8 divisors (see below), whose sum is σ = 906625504. Its totient is φ = 438689520.

The previous prime is 669001693. The next prime is 669001703. The reversal of 669001701 is 107100966.

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

It is not a de Polignac number, because 669001701 - 2³ = 669001693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669001703) 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, 1827691 + ... + 1828056.

It is an arithmetic number, because the mean of its divisors is an integer number (113328188).

Almost surely, 2^669001701 is an apocalyptic number.

669001701 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

669001701 is a deficient number, since it is larger than the sum of its proper divisors (237623803).

669001701 is a wasteful number, since it uses less digits than its factorization.

669001701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655811.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 669001701 is about 25865.0671949639. The cubic root of 669001701 is about 874.5991964627.

The spelling of 669001701 in words is "six hundred sixty-nine million, one thousand, seven hundred one".