1421551035994 has 8 divisors (see below), whose sum is σ = 2132345194560. Its totient is φ = 710769304476.

The previous prime is 1421551035991. The next prime is 1421551036013. The reversal of 1421551035994 is 4995301551241.

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

It is a super-2 number, since 2×1421551035994² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421551035991) 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, 2815314 + ... + 3281629.

It is an arithmetic number, because the mean of its divisors is an integer number (266543149320).

Almost surely, 2^{1421551035994} is an apocalyptic number.

1421551035994 is a deficient number, since it is larger than the sum of its proper divisors (710794158566).

1421551035994 is a wasteful number, since it uses less digits than its factorization.

1421551035994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213524.

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 1421551035994 in words is "one trillion, four hundred twenty-one billion, five hundred fifty-one million, thirty-five thousand, nine hundred ninety-four".