1701993945 has 16 divisors (see below), whose sum is σ = 2769347520. Its totient is φ = 892344384.

The previous prime is 1701993901. The next prime is 1701993967. The reversal of 1701993945 is 5493991071.

It is not a de Polignac number, because 1701993945 - 2¹⁴ = 1701977561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1701993894 and 1701993903.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960694 + ... + 962463.

It is an arithmetic number, because the mean of its divisors is an integer number (173084220).

Almost surely, 2^1701993945 is an apocalyptic number.

1701993945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1701993945 is a deficient number, since it is larger than the sum of its proper divisors (1067353575).

1701993945 is a wasteful number, since it uses less digits than its factorization.

1701993945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923224.

The product of its (nonzero) digits is 306180, while the sum is 48.

The square root of 1701993945 is about 41255.2293049015. The cubic root of 1701993945 is about 1193.9496252691.

The spelling of 1701993945 in words is "one billion, seven hundred one million, nine hundred ninety-three thousand, nine hundred forty-five".