1961754077350 has 24 divisors (see below), whose sum is σ = 3650817156408. Its totient is φ = 784281292800.

The previous prime is 1961754077323. The next prime is 1961754077359. The reversal of 1961754077350 is 537704571691.

It is a junction number, because it is equal to n+sod(n) for n = 1961754077291 and 1961754077300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961754077359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10414171 + ... + 10600870.

It is an arithmetic number, because the mean of its divisors is an integer number (152117381517).

Almost surely, 2^{1961754077350} is an apocalyptic number.

1961754077350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1961754077350 is a deficient number, since it is larger than the sum of its proper divisors (1689063079058).

1961754077350 is a wasteful number, since it uses less digits than its factorization.

1961754077350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21016920 (or 21016915 counting only the distinct ones).

The product of its (nonzero) digits is 5556600, while the sum is 55.

The spelling of 1961754077350 in words is "one trillion, nine hundred sixty-one billion, seven hundred fifty-four million, seventy-seven thousand, three hundred fifty".