1961923311734 has 8 divisors (see below), whose sum is σ = 2945992557528. Its totient is φ = 979925792560.

The previous prime is 1961923311709. The next prime is 1961923311757. The reversal of 1961923311734 is 4371133291691.

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

It is a super-2 number, since 2×1961923311734² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517929287 + ... + 517933074.

It is an arithmetic number, because the mean of its divisors is an integer number (368249069691).

Almost surely, 2^{1961923311734} is an apocalyptic number.

1961923311734 is a deficient number, since it is larger than the sum of its proper divisors (984069245794).

1961923311734 is a wasteful number, since it uses less digits than its factorization.

1961923311734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035863310.

The product of its digits is 734832, while the sum is 50.

The spelling of 1961923311734 in words is "one trillion, nine hundred sixty-one billion, nine hundred twenty-three million, three hundred eleven thousand, seven hundred thirty-four".