1914505894157 has 8 divisors (see below), whose sum is σ = 1921979342976. Its totient is φ = 1907040480192.

The previous prime is 1914505894153. The next prime is 1914505894159. The reversal of 1914505894157 is 7514985054191.

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

It is a cyclic number.

It is not a de Polignac number, because 1914505894157 - 2² = 1914505894153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1914505894096 and 1914505894105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914505894153) 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, 1531013 + ... + 2484554.

It is an arithmetic number, because the mean of its divisors is an integer number (240247417872).

Almost surely, 2^{1914505894157} is an apocalyptic number.

It is an amenable number.

1914505894157 is a deficient number, since it is larger than the sum of its proper divisors (7473448819).

1914505894157 is a wasteful number, since it uses less digits than its factorization.

1914505894157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017427.

The product of its (nonzero) digits is 9072000, while the sum is 59.

The spelling of 1914505894157 in words is "one trillion, nine hundred fourteen billion, five hundred five million, eight hundred ninety-four thousand, one hundred fifty-seven".