1920418296477 has 8 divisors (see below), whose sum is σ = 2695323924960. Its totient is φ = 1212895766160.

The previous prime is 1920418296473. The next prime is 1920418296523. The reversal of 1920418296477 is 7746928140291.

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

It is not a de Polignac number, because 1920418296477 - 2² = 1920418296473 is a prime.

It is a super-2 number, since 2×1920418296477² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1920418296477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920418296473) 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, 16845774474 + ... + 16845774587.

It is an arithmetic number, because the mean of its divisors is an integer number (336915490620).

Almost surely, 2^{1920418296477} is an apocalyptic number.

It is an amenable number.

1920418296477 is a deficient number, since it is larger than the sum of its proper divisors (774905628483).

1920418296477 is a wasteful number, since it uses less digits than its factorization.

1920418296477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33691549083.

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 1920418296477 in words is "one trillion, nine hundred twenty billion, four hundred eighteen million, two hundred ninety-six thousand, four hundred seventy-seven".