1926454493770 has 16 divisors (see below), whose sum is σ = 3552194140488. Its totient is φ = 751787119360.

The previous prime is 1926454493723. The next prime is 1926454493807. The reversal of 1926454493770 is 773944546291.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1396081670481 + 530372823289 = 1181559^2 + 728267^2 .

It is a super-2 number, since 2×1926454493770² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1926454493699 and 1926454493708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2349334339 + ... + 2349335158.

Almost surely, 2^{1926454493770} is an apocalyptic number.

1926454493770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1926454493770 is a deficient number, since it is larger than the sum of its proper divisors (1625739646718).

1926454493770 is a wasteful number, since it uses less digits than its factorization.

1926454493770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698669545.

The product of its (nonzero) digits is 45722880, while the sum is 61.

The spelling of 1926454493770 in words is "one trillion, nine hundred twenty-six billion, four hundred fifty-four million, four hundred ninety-three thousand, seven hundred seventy".