1961426370270 has 16 divisors (see below), whose sum is σ = 4707423288720. Its totient is φ = 523047032064.

The previous prime is 1961426370227. The next prime is 1961426370271. The reversal of 1961426370270 is 720736241691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961426370271) 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, 32690439475 + ... + 32690439534.

It is an arithmetic number, because the mean of its divisors is an integer number (294213955545).

Almost surely, 2^{1961426370270} is an apocalyptic number.

1961426370270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1961426370270 is an abundant number, since it is smaller than the sum of its proper divisors (2745996918450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1961426370270 is a wasteful number, since it uses less digits than its factorization.

1961426370270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65380879019.

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 1961426370270 in words is "one trillion, nine hundred sixty-one billion, four hundred twenty-six million, three hundred seventy thousand, two hundred seventy".