1694290245 has 16 divisors (see below), whose sum is σ = 2711560320. Its totient is φ = 903389504.

The previous prime is 1694290237. The next prime is 1694290267. The reversal of 1694290245 is 5420924961.

It is a cyclic number.

It is not a de Polignac number, because 1694290245 - 2³ = 1694290237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1694290197 and 1694290206.

It is a congruent number.

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, 57376 + ... + 81734.

It is an arithmetic number, because the mean of its divisors is an integer number (169472520).

Almost surely, 2^1694290245 is an apocalyptic number.

1694290245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1694290245 is a deficient number, since it is larger than the sum of its proper divisors (1017270075).

1694290245 is a wasteful number, since it uses less digits than its factorization.

1694290245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29004.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 1694290245 is about 41161.7570689105. The cubic root of 1694290245 is about 1192.1455173927.

The spelling of 1694290245 in words is "one billion, six hundred ninety-four million, two hundred ninety thousand, two hundred forty-five".