1918495007348 has 6 divisors (see below), whose sum is σ = 3357366262866. Its totient is φ = 959247503672.

The previous prime is 1918495007339. The next prime is 1918495007353. The reversal of 1918495007348 is 8437005948191.

It can be written as a sum of positive squares in only one way, i.e., 1827790433764 + 90704573584 = 1351958^2 + 301172^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239811875915 + ... + 239811875922.

It is an arithmetic number, because the mean of its divisors is an integer number (559561043811).

Almost surely, 2^{1918495007348} is an apocalyptic number.

It is an amenable number.

1918495007348 is a deficient number, since it is larger than the sum of its proper divisors (1438871255518).

1918495007348 is a wasteful number, since it uses less digits than its factorization.

1918495007348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479623751841 (or 479623751839 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 1918495007348 in words is "one trillion, nine hundred eighteen billion, four hundred ninety-five million, seven thousand, three hundred forty-eight".