1917970142417 has 16 divisors (see below), whose sum is σ = 2193569280000. Its totient is φ = 1642772316240.

The previous prime is 1917970142381. The next prime is 1917970142461. The reversal of 1917970142417 is 7142410797191.

It is a cyclic number.

It is not a de Polignac number, because 1917970142417 - 2⁸ = 1917970142161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1917970142017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59036384 + ... + 59068862.

It is an arithmetic number, because the mean of its divisors is an integer number (137098080000).

Almost surely, 2^{1917970142417} is an apocalyptic number.

It is an amenable number.

1917970142417 is a deficient number, since it is larger than the sum of its proper divisors (275599137583).

1917970142417 is a wasteful number, since it uses less digits than its factorization.

1917970142417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38396.

The product of its (nonzero) digits is 889056, while the sum is 53.

The spelling of 1917970142417 in words is "one trillion, nine hundred seventeen billion, nine hundred seventy million, one hundred forty-two thousand, four hundred seventeen".