1642430960294 has 4 divisors (see below), whose sum is σ = 2463646440444. Its totient is φ = 821215480146.

The previous prime is 1642430960293. The next prime is 1642430960363. The reversal of 1642430960294 is 4920690342461.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642430960293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410607740072 + ... + 410607740075.

It is an arithmetic number, because the mean of its divisors is an integer number (615911610111).

Almost surely, 2^{1642430960294} is an apocalyptic number.

1642430960294 is a deficient number, since it is larger than the sum of its proper divisors (821215480150).

1642430960294 is an equidigital number, since it uses as much as digits as its factorization.

1642430960294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821215480149.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 1642430960294 in words is "one trillion, six hundred forty-two billion, four hundred thirty million, nine hundred sixty thousand, two hundred ninety-four".