1049211625454 has 4 divisors (see below), whose sum is σ = 1573817438184. Its totient is φ = 524605812726.

The previous prime is 1049211625447. The next prime is 1049211625471. The reversal of 1049211625454 is 4545261129401.

It is a happy number.

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

It is a super-2 number, since 2×1049211625454² (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 as a sum of consecutive naturals, namely, 262302906362 + ... + 262302906365.

It is an arithmetic number, because the mean of its divisors is an integer number (393454359546).

Almost surely, 2^{1049211625454} is an apocalyptic number.

1049211625454 is a deficient number, since it is larger than the sum of its proper divisors (524605812730).

1049211625454 is an equidigital number, since it uses as much as digits as its factorization.

1049211625454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524605812729.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 1049211625454 in words is "one trillion, forty-nine billion, two hundred eleven million, six hundred twenty-five thousand, four hundred fifty-four".