1392042204646 has 8 divisors (see below), whose sum is σ = 2091231842040. Its totient is φ = 694964923968.

The previous prime is 1392042204643. The next prime is 1392042204649. The reversal of 1392042204646 is 6464022402931.

It is an interprime number because it is at equal distance from previous prime (1392042204643) and next prime (1392042204649).

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

It is a super-2 number, since 2×1392042204646² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392042204643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528087531 + ... + 528090166.

It is an arithmetic number, because the mean of its divisors is an integer number (261403980255).

Almost surely, 2^{1392042204646} is an apocalyptic number.

1392042204646 is a deficient number, since it is larger than the sum of its proper divisors (699189637394).

1392042204646 is a wasteful number, since it uses less digits than its factorization.

1392042204646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056178358.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 1392042204646 in words is "one trillion, three hundred ninety-two billion, forty-two million, two hundred four thousand, six hundred forty-six".